Home / 81,910,319.40-122,706,046.80-49,465,846.35

Finding the Fourth Proportional to 81,910,319.40, 122,706,046.80 and 49,465,846.35

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Solution

The fourth proportional to 81,910,319.40, 122,706,046.80 and 49,465,846.35 is: 74,102,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,910,319.40 : 122,706,046.80 = 49,465,846.35 : x
  2. Step 2: Convert to fraction form
    81,910,319.40/122,706,046.80 = 49,465,846.35/x
  3. Step 3: Cross multiply
    81,910,319.40x = 122,706,046.80 × 49,465,846.35
  4. Step 4: Simplify right side
    81,910,319.40x = 6,069,758,457,224,709
  5. Step 5: Solve for x
    x = 6,069,758,457,224,709/81,910,319.40
  6. Step 6: Final answer
    x = 74,102,487.96

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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.