Home / 65,388,440.08-90,243,134.64-36,022,781.88

Finding the Fourth Proportional to 65,388,440.08, 90,243,134.64 and 36,022,781.88

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Solution

The fourth proportional to 65,388,440.08, 90,243,134.64 and 36,022,781.88 is: 49,715,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388,440.08 : 90,243,134.64 = 36,022,781.88 : x
  2. Step 2: Convert to fraction form
    65,388,440.08/90,243,134.64 = 36,022,781.88/x
  3. Step 3: Cross multiply
    65,388,440.08x = 90,243,134.64 × 36,022,781.88
  4. Step 4: Simplify right side
    65,388,440.08x = 3,250,808,755,304,192.50
  5. Step 5: Solve for x
    x = 3,250,808,755,304,192.50/65,388,440.08
  6. Step 6: Final answer
    x = 49,715,343.44

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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.