Home / 90,789,862.40-136,174,723.68-32,495,199.20

Finding the Fourth Proportional to 90,789,862.40, 136,174,723.68 and 32,495,199.20

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Solution

The fourth proportional to 90,789,862.40, 136,174,723.68 and 32,495,199.20 is: 48,739,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,789,862.40 : 136,174,723.68 = 32,495,199.20 : x
  2. Step 2: Convert to fraction form
    90,789,862.40/136,174,723.68 = 32,495,199.20/x
  3. Step 3: Cross multiply
    90,789,862.40x = 136,174,723.68 × 32,495,199.20
  4. Step 4: Simplify right side
    90,789,862.40x = 4,425,024,771,986,557
  5. Step 5: Solve for x
    x = 4,425,024,771,986,557/90,789,862.40
  6. Step 6: Final answer
    x = 48,739,194.61

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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.