Home / 65,589,344.72-90,506,421.96-38,081,900.24

Finding the Fourth Proportional to 65,589,344.72, 90,506,421.96 and 38,081,900.24

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Solution

The fourth proportional to 65,589,344.72, 90,506,421.96 and 38,081,900.24 is: 52,549,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589,344.72 : 90,506,421.96 = 38,081,900.24 : x
  2. Step 2: Convert to fraction form
    65,589,344.72/90,506,421.96 = 38,081,900.24/x
  3. Step 3: Cross multiply
    65,589,344.72x = 90,506,421.96 × 38,081,900.24
  4. Step 4: Simplify right side
    65,589,344.72x = 3,446,656,532,160,065
  5. Step 5: Solve for x
    x = 3,446,656,532,160,065/65,589,344.72
  6. Step 6: Final answer
    x = 52,549,031.35

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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.