Home / 86,939,957.56-130,433,456.31-29,432,233.66

Finding the Fourth Proportional to 86,939,957.56, 130,433,456.31 and 29,432,233.66

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Solution

The fourth proportional to 86,939,957.56, 130,433,456.31 and 29,432,233.66 is: 44,156,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939,957.56 : 130,433,456.31 = 29,432,233.66 : x
  2. Step 2: Convert to fraction form
    86,939,957.56/130,433,456.31 = 29,432,233.66/x
  3. Step 3: Cross multiply
    86,939,957.56x = 130,433,456.31 × 29,432,233.66
  4. Step 4: Simplify right side
    86,939,957.56x = 3,838,947,963,197,321.50
  5. Step 5: Solve for x
    x = 3,838,947,963,197,321.50/86,939,957.56
  6. Step 6: Final answer
    x = 44,156,312.83

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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.