Home / 87,207,111.56-130,829,821.11-25,791,482.07

Finding the Fourth Proportional to 87,207,111.56, 130,829,821.11 and 25,791,482.07

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Solution

The fourth proportional to 87,207,111.56, 130,829,821.11 and 25,791,482.07 is: 38,692,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,207,111.56 : 130,829,821.11 = 25,791,482.07 : x
  2. Step 2: Convert to fraction form
    87,207,111.56/130,829,821.11 = 25,791,482.07/x
  3. Step 3: Cross multiply
    87,207,111.56x = 130,829,821.11 × 25,791,482.07
  4. Step 4: Simplify right side
    87,207,111.56x = 3,374,294,985,379,872.50
  5. Step 5: Solve for x
    x = 3,374,294,985,379,872.50/87,207,111.56
  6. Step 6: Final answer
    x = 38,692,887.83

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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.