Home / 86,187,756.48-129,259,516.32-25,589,423.04

Finding the Fourth Proportional to 86,187,756.48, 129,259,516.32 and 25,589,423.04

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Solution

The fourth proportional to 86,187,756.48, 129,259,516.32 and 25,589,423.04 is: 38,377,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,187,756.48 : 129,259,516.32 = 25,589,423.04 : x
  2. Step 2: Convert to fraction form
    86,187,756.48/129,259,516.32 = 25,589,423.04/x
  3. Step 3: Cross multiply
    86,187,756.48x = 129,259,516.32 × 25,589,423.04
  4. Step 4: Simplify right side
    86,187,756.48x = 3,307,676,445,058,263.50
  5. Step 5: Solve for x
    x = 3,307,676,445,058,263.50/86,187,756.48
  6. Step 6: Final answer
    x = 38,377,567.54

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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.