Home / 96,794,381.70-145,191,572.55-86,212,800.90

Finding the Fourth Proportional to 96,794,381.70, 145,191,572.55 and 86,212,800.90

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Solution

The fourth proportional to 96,794,381.70, 145,191,572.55 and 86,212,800.90 is: 129,319,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,794,381.70 : 145,191,572.55 = 86,212,800.90 : x
  2. Step 2: Convert to fraction form
    96,794,381.70/145,191,572.55 = 86,212,800.90/x
  3. Step 3: Cross multiply
    96,794,381.70x = 145,191,572.55 × 86,212,800.90
  4. Step 4: Simplify right side
    96,794,381.70x = 12,517,372,136,611,058
  5. Step 5: Solve for x
    x = 12,517,372,136,611,058/96,794,381.70
  6. Step 6: Final answer
    x = 129,319,201.35

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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.