Home / 136,690,327.40-188,633,151.80-73,966,425.90

Finding the Fourth Proportional to 136,690,327.40, 188,633,151.80 and 73,966,425.90

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Solution

The fourth proportional to 136,690,327.40, 188,633,151.80 and 73,966,425.90 is: 102,073,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,690,327.40 : 188,633,151.80 = 73,966,425.90 : x
  2. Step 2: Convert to fraction form
    136,690,327.40/188,633,151.80 = 73,966,425.90/x
  3. Step 3: Cross multiply
    136,690,327.40x = 188,633,151.80 × 73,966,425.90
  4. Step 4: Simplify right side
    136,690,327.40x = 13,952,520,044,528,320
  5. Step 5: Solve for x
    x = 13,952,520,044,528,320/136,690,327.40
  6. Step 6: Final answer
    x = 102,073,938.30

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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.