Home / 129,894,869.16-179,255,131.11-71,156,244.96

Finding the Fourth Proportional to 129,894,869.16, 179,255,131.11 and 71,156,244.96

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Solution

The fourth proportional to 129,894,869.16, 179,255,131.11 and 71,156,244.96 is: 98,195,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,869.16 : 179,255,131.11 = 71,156,244.96 : x
  2. Step 2: Convert to fraction form
    129,894,869.16/179,255,131.11 = 71,156,244.96/x
  3. Step 3: Cross multiply
    129,894,869.16x = 179,255,131.11 × 71,156,244.96
  4. Step 4: Simplify right side
    129,894,869.16x = 12,755,122,019,600,076
  5. Step 5: Solve for x
    x = 12,755,122,019,600,076/129,894,869.16
  6. Step 6: Final answer
    x = 98,195,734.00

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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.