Home / 83,876,793.05-115,650,931.73-57,427,972.40

Finding the Fourth Proportional to 83,876,793.05, 115,650,931.73 and 57,427,972.40

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Solution

The fourth proportional to 83,876,793.05, 115,650,931.73 and 57,427,972.40 is: 79,182,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,876,793.05 : 115,650,931.73 = 57,427,972.40 : x
  2. Step 2: Convert to fraction form
    83,876,793.05/115,650,931.73 = 57,427,972.40/x
  3. Step 3: Cross multiply
    83,876,793.05x = 115,650,931.73 × 57,427,972.40
  4. Step 4: Simplify right side
    83,876,793.05x = 6,641,598,514,559,330
  5. Step 5: Solve for x
    x = 6,641,598,514,559,330/83,876,793.05
  6. Step 6: Final answer
    x = 79,182,790.30

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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.