Home / 65,589,343.72-90,506,420.58-38,081,899.24

Finding the Fourth Proportional to 65,589,343.72, 90,506,420.58 and 38,081,899.24

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Solution

The fourth proportional to 65,589,343.72, 90,506,420.58 and 38,081,899.24 is: 52,549,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589,343.72 : 90,506,420.58 = 38,081,899.24 : x
  2. Step 2: Convert to fraction form
    65,589,343.72/90,506,420.58 = 38,081,899.24/x
  3. Step 3: Cross multiply
    65,589,343.72x = 90,506,420.58 × 38,081,899.24
  4. Step 4: Simplify right side
    65,589,343.72x = 3,446,656,389,100,622.50
  5. Step 5: Solve for x
    x = 3,446,656,389,100,622.50/65,589,343.72
  6. Step 6: Final answer
    x = 52,549,029.97

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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.