Home / 83,690,838.60-125,417,038.24-61,657,945.16

Finding the Fourth Proportional to 83,690,838.60, 125,417,038.24 and 61,657,945.16

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Solution

The fourth proportional to 83,690,838.60, 125,417,038.24 and 61,657,945.16 is: 92,399,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,690,838.60 : 125,417,038.24 = 61,657,945.16 : x
  2. Step 2: Convert to fraction form
    83,690,838.60/125,417,038.24 = 61,657,945.16/x
  3. Step 3: Cross multiply
    83,690,838.60x = 125,417,038.24 × 61,657,945.16
  4. Step 4: Simplify right side
    83,690,838.60x = 7,732,956,865,931,542
  5. Step 5: Solve for x
    x = 7,732,956,865,931,542/83,690,838.60
  6. Step 6: Final answer
    x = 92,399,084.48

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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.