Home / 52,408,291.70-78,612,437.55-47,117,501.30

Finding the Fourth Proportional to 52,408,291.70, 78,612,437.55 and 47,117,501.30

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Solution

The fourth proportional to 52,408,291.70, 78,612,437.55 and 47,117,501.30 is: 70,676,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408,291.70 : 78,612,437.55 = 47,117,501.30 : x
  2. Step 2: Convert to fraction form
    52,408,291.70/78,612,437.55 = 47,117,501.30/x
  3. Step 3: Cross multiply
    52,408,291.70x = 78,612,437.55 × 47,117,501.30
  4. Step 4: Simplify right side
    52,408,291.70x = 3,704,021,628,458,293.50
  5. Step 5: Solve for x
    x = 3,704,021,628,458,293.50/52,408,291.70
  6. Step 6: Final answer
    x = 70,676,251.95

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Double scale
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Similar ratio
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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.