Home / 131,154,165.29-180,993,623.11-71,615,874.83

Finding the Fourth Proportional to 131,154,165.29, 180,993,623.11 and 71,615,874.83

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Solution

The fourth proportional to 131,154,165.29, 180,993,623.11 and 71,615,874.83 is: 98,830,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,154,165.29 : 180,993,623.11 = 71,615,874.83 : x
  2. Step 2: Convert to fraction form
    131,154,165.29/180,993,623.11 = 71,615,874.83/x
  3. Step 3: Cross multiply
    131,154,165.29x = 180,993,623.11 × 71,615,874.83
  4. Step 4: Simplify right side
    131,154,165.29x = 12,962,016,656,589,948
  5. Step 5: Solve for x
    x = 12,962,016,656,589,948/131,154,165.29
  6. Step 6: Final answer
    x = 98,830,385.05

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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.