Home / 74,366,038.76-102,516,972.20-51,969,491.60

Finding the Fourth Proportional to 74,366,038.76, 102,516,972.20 and 51,969,491.60

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Solution

The fourth proportional to 74,366,038.76, 102,516,972.20 and 51,969,491.60 is: 71,642,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366,038.76 : 102,516,972.20 = 51,969,491.60 : x
  2. Step 2: Convert to fraction form
    74,366,038.76/102,516,972.20 = 51,969,491.60/x
  3. Step 3: Cross multiply
    74,366,038.76x = 102,516,972.20 × 51,969,491.60
  4. Step 4: Simplify right side
    74,366,038.76x = 5,327,754,924,832,901
  5. Step 5: Solve for x
    x = 5,327,754,924,832,901/74,366,038.76
  6. Step 6: Final answer
    x = 71,642,311.65

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.