Home / 85,156,762.50-117,516,377.61-45,998,538.39

Finding the Fourth Proportional to 85,156,762.50, 117,516,377.61 and 45,998,538.39

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Solution

The fourth proportional to 85,156,762.50, 117,516,377.61 and 45,998,538.39 is: 63,478,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,762.50 : 117,516,377.61 = 45,998,538.39 : x
  2. Step 2: Convert to fraction form
    85,156,762.50/117,516,377.61 = 45,998,538.39/x
  3. Step 3: Cross multiply
    85,156,762.50x = 117,516,377.61 × 45,998,538.39
  4. Step 4: Simplify right side
    85,156,762.50x = 5,405,581,606,947,321
  5. Step 5: Solve for x
    x = 5,405,581,606,947,321/85,156,762.50
  6. Step 6: Final answer
    x = 63,478,007.48

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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.