Home / 107,838,900.20-161,758,350.30-67,024,231.40

Finding the Fourth Proportional to 107,838,900.20, 161,758,350.30 and 67,024,231.40

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Solution

The fourth proportional to 107,838,900.20, 161,758,350.30 and 67,024,231.40 is: 100,536,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,900.20 : 161,758,350.30 = 67,024,231.40 : x
  2. Step 2: Convert to fraction form
    107,838,900.20/161,758,350.30 = 67,024,231.40/x
  3. Step 3: Cross multiply
    107,838,900.20x = 161,758,350.30 × 67,024,231.40
  4. Step 4: Simplify right side
    107,838,900.20x = 10,841,729,101,389,460
  5. Step 5: Solve for x
    x = 10,841,729,101,389,460/107,838,900.20
  6. Step 6: Final answer
    x = 100,536,347.10

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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.