Home / 83,338,925.40-124,981,887.60-77,898,381.48

Finding the Fourth Proportional to 83,338,925.40, 124,981,887.60 and 77,898,381.48

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Solution

The fourth proportional to 83,338,925.40, 124,981,887.60 and 77,898,381.48 is: 116,822,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,338,925.40 : 124,981,887.60 = 77,898,381.48 : x
  2. Step 2: Convert to fraction form
    83,338,925.40/124,981,887.60 = 77,898,381.48/x
  3. Step 3: Cross multiply
    83,338,925.40x = 124,981,887.60 × 77,898,381.48
  4. Step 4: Simplify right side
    83,338,925.40x = 9,735,886,758,355,282
  5. Step 5: Solve for x
    x = 9,735,886,758,355,282/83,338,925.40
  6. Step 6: Final answer
    x = 116,822,801.73

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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.