Home / 113,335,530.90-169,719,861.15-90,660,714.90

Finding the Fourth Proportional to 113,335,530.90, 169,719,861.15 and 90,660,714.90

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Solution

The fourth proportional to 113,335,530.90, 169,719,861.15 and 90,660,714.90 is: 135,764,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335,530.90 : 169,719,861.15 = 90,660,714.90 : x
  2. Step 2: Convert to fraction form
    113,335,530.90/169,719,861.15 = 90,660,714.90/x
  3. Step 3: Cross multiply
    113,335,530.90x = 169,719,861.15 × 90,660,714.90
  4. Step 4: Simplify right side
    113,335,530.90x = 15,386,923,944,587,738
  5. Step 5: Solve for x
    x = 15,386,923,944,587,738/113,335,530.90
  6. Step 6: Final answer
    x = 135,764,343.47

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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.