Home / 80,575,318.68-120,862,827.24-25,247,389.29

Finding the Fourth Proportional to 80,575,318.68, 120,862,827.24 and 25,247,389.29

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Solution

The fourth proportional to 80,575,318.68, 120,862,827.24 and 25,247,389.29 is: 37,871,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575,318.68 : 120,862,827.24 = 25,247,389.29 : x
  2. Step 2: Convert to fraction form
    80,575,318.68/120,862,827.24 = 25,247,389.29/x
  3. Step 3: Cross multiply
    80,575,318.68x = 120,862,827.24 × 25,247,389.29
  4. Step 4: Simplify right side
    80,575,318.68x = 3,051,470,850,018,296
  5. Step 5: Solve for x
    x = 3,051,470,850,018,296/80,575,318.68
  6. Step 6: Final answer
    x = 37,871,036.69

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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.