Home / 81,452,208,518.70-122,178,312,778.05-81,452,208,518.70

Finding the Fourth Proportional to 81,452,208,518.70, 122,178,312,778.05 and 81,452,208,518.70

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Solution

The fourth proportional to 81,452,208,518.70, 122,178,312,778.05 and 81,452,208,518.70 is: 122,178,312,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,452,208,518.70 : 122,178,312,778.05 = 81,452,208,518.70 : x
  2. Step 2: Convert to fraction form
    81,452,208,518.70/122,178,312,778.05 = 81,452,208,518.70/x
  3. Step 3: Cross multiply
    81,452,208,518.70x = 122,178,312,778.05 × 81,452,208,518.70
  4. Step 4: Simplify right side
    81,452,208,518.70x = 9,951,693,408,860,677,079,040
  5. Step 5: Solve for x
    x = 9,951,693,408,860,677,079,040/81,452,208,518.70
  6. Step 6: Final answer
    x = 122,178,312,778.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.