Home / 136,690,378.08-188,633,221.68-73,966,476.60

Finding the Fourth Proportional to 136,690,378.08, 188,633,221.68 and 73,966,476.60

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Solution

The fourth proportional to 136,690,378.08, 188,633,221.68 and 73,966,476.60 is: 102,074,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,690,378.08 : 188,633,221.68 = 73,966,476.60 : x
  2. Step 2: Convert to fraction form
    136,690,378.08/188,633,221.68 = 73,966,476.60/x
  3. Step 3: Cross multiply
    136,690,378.08x = 188,633,221.68 × 73,966,476.60
  4. Step 4: Simplify right side
    136,690,378.08x = 13,952,534,777,376,332
  5. Step 5: Solve for x
    x = 13,952,534,777,376,332/136,690,378.08
  6. Step 6: Final answer
    x = 102,074,008.23

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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.