Home / 156,209,757.12-215,569,460.16-86,594,961.60

Finding the Fourth Proportional to 156,209,757.12, 215,569,460.16 and 86,594,961.60

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Solution

The fourth proportional to 156,209,757.12, 215,569,460.16 and 86,594,961.60 is: 119,501,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,209,757.12 : 215,569,460.16 = 86,594,961.60 : x
  2. Step 2: Convert to fraction form
    156,209,757.12/215,569,460.16 = 86,594,961.60/x
  3. Step 3: Cross multiply
    156,209,757.12x = 215,569,460.16 × 86,594,961.60
  4. Step 4: Simplify right side
    156,209,757.12x = 18,667,229,124,687,928
  5. Step 5: Solve for x
    x = 18,667,229,124,687,928/156,209,757.12
  6. Step 6: Final answer
    x = 119,501,044.42

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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.