Home / 132,101,349.60-198,152,024.40-86,184,847.20

Finding the Fourth Proportional to 132,101,349.60, 198,152,024.40 and 86,184,847.20

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Solution

The fourth proportional to 132,101,349.60, 198,152,024.40 and 86,184,847.20 is: 129,277,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101,349.60 : 198,152,024.40 = 86,184,847.20 : x
  2. Step 2: Convert to fraction form
    132,101,349.60/198,152,024.40 = 86,184,847.20/x
  3. Step 3: Cross multiply
    132,101,349.60x = 198,152,024.40 × 86,184,847.20
  4. Step 4: Simplify right side
    132,101,349.60x = 17,077,701,945,284,672
  5. Step 5: Solve for x
    x = 17,077,701,945,284,672/132,101,349.60
  6. Step 6: Final answer
    x = 129,277,270.80

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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.