Home / 65,589,342.72-90,506,419.20-38,081,898.24

Finding the Fourth Proportional to 65,589,342.72, 90,506,419.20 and 38,081,898.24

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Solution

The fourth proportional to 65,589,342.72, 90,506,419.20 and 38,081,898.24 is: 52,549,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589,342.72 : 90,506,419.20 = 38,081,898.24 : x
  2. Step 2: Convert to fraction form
    65,589,342.72/90,506,419.20 = 38,081,898.24/x
  3. Step 3: Cross multiply
    65,589,342.72x = 90,506,419.20 × 38,081,898.24
  4. Step 4: Simplify right side
    65,589,342.72x = 3,446,656,246,041,182.50
  5. Step 5: Solve for x
    x = 3,446,656,246,041,182.50/65,589,342.72
  6. Step 6: Final answer
    x = 52,549,028.59

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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.