Home / 107,839,211.20-161,758,816.80-67,024,542.40

Finding the Fourth Proportional to 107,839,211.20, 161,758,816.80 and 67,024,542.40

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Solution

The fourth proportional to 107,839,211.20, 161,758,816.80 and 67,024,542.40 is: 100,536,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,211.20 : 161,758,816.80 = 67,024,542.40 : x
  2. Step 2: Convert to fraction form
    107,839,211.20/161,758,816.80 = 67,024,542.40/x
  3. Step 3: Cross multiply
    107,839,211.20x = 161,758,816.80 × 67,024,542.40
  4. Step 4: Simplify right side
    107,839,211.20x = 10,841,810,675,185,432
  5. Step 5: Solve for x
    x = 10,841,810,675,185,432/107,839,211.20
  6. Step 6: Final answer
    x = 100,536,813.60

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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.