Home / 72,167,835.52-99,495,269.28-57,332,384.32

Finding the Fourth Proportional to 72,167,835.52, 99,495,269.28 and 57,332,384.32

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Solution

The fourth proportional to 72,167,835.52, 99,495,269.28 and 57,332,384.32 is: 79,042,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167,835.52 : 99,495,269.28 = 57,332,384.32 : x
  2. Step 2: Convert to fraction form
    72,167,835.52/99,495,269.28 = 57,332,384.32/x
  3. Step 3: Cross multiply
    72,167,835.52x = 99,495,269.28 × 57,332,384.32
  4. Step 4: Simplify right side
    72,167,835.52x = 5,704,301,016,382,850
  5. Step 5: Solve for x
    x = 5,704,301,016,382,850/72,167,835.52
  6. Step 6: Final answer
    x = 79,042,151.88

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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.