Home / 77,688,004.30-116,532,006.45-47,454,916.30

Finding the Fourth Proportional to 77,688,004.30, 116,532,006.45 and 47,454,916.30

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Solution

The fourth proportional to 77,688,004.30, 116,532,006.45 and 47,454,916.30 is: 71,182,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,004.30 : 116,532,006.45 = 47,454,916.30 : x
  2. Step 2: Convert to fraction form
    77,688,004.30/116,532,006.45 = 47,454,916.30/x
  3. Step 3: Cross multiply
    77,688,004.30x = 116,532,006.45 × 47,454,916.30
  4. Step 4: Simplify right side
    77,688,004.30x = 5,530,016,612,355,810
  5. Step 5: Solve for x
    x = 5,530,016,612,355,810/77,688,004.30
  6. Step 6: Final answer
    x = 71,182,374.45

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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.