Home / 104,046,644.30-155,902,004.85-65,639,425.10

Finding the Fourth Proportional to 104,046,644.30, 155,902,004.85 and 65,639,425.10

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Solution

The fourth proportional to 104,046,644.30, 155,902,004.85 and 65,639,425.10 is: 98,353,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,046,644.30 : 155,902,004.85 = 65,639,425.10 : x
  2. Step 2: Convert to fraction form
    104,046,644.30/155,902,004.85 = 65,639,425.10/x
  3. Step 3: Cross multiply
    104,046,644.30x = 155,902,004.85 × 65,639,425.10
  4. Step 4: Simplify right side
    104,046,644.30x = 10,233,317,970,291,412
  5. Step 5: Solve for x
    x = 10,233,317,970,291,412/104,046,644.30
  6. Step 6: Final answer
    x = 98,353,176.49

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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.