Home / 93,988,304.10-140,982,456.15-85,910,400.90

Finding the Fourth Proportional to 93,988,304.10, 140,982,456.15 and 85,910,400.90

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Solution

The fourth proportional to 93,988,304.10, 140,982,456.15 and 85,910,400.90 is: 128,865,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,988,304.10 : 140,982,456.15 = 85,910,400.90 : x
  2. Step 2: Convert to fraction form
    93,988,304.10/140,982,456.15 = 85,910,400.90/x
  3. Step 3: Cross multiply
    93,988,304.10x = 140,982,456.15 × 85,910,400.90
  4. Step 4: Simplify right side
    93,988,304.10x = 12,111,859,327,713,172
  5. Step 5: Solve for x
    x = 12,111,859,327,713,172/93,988,304.10
  6. Step 6: Final answer
    x = 128,865,601.35

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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.