Home / 109,251,012.87-150,764,637.02-59,690,321.55

Finding the Fourth Proportional to 109,251,012.87, 150,764,637.02 and 59,690,321.55

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Solution

The fourth proportional to 109,251,012.87, 150,764,637.02 and 59,690,321.55 is: 82,371,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251,012.87 : 150,764,637.02 = 59,690,321.55 : x
  2. Step 2: Convert to fraction form
    109,251,012.87/150,764,637.02 = 59,690,321.55/x
  3. Step 3: Cross multiply
    109,251,012.87x = 150,764,637.02 × 59,690,321.55
  4. Step 4: Simplify right side
    109,251,012.87x = 8,999,189,661,794,381
  5. Step 5: Solve for x
    x = 8,999,189,661,794,381/109,251,012.87
  6. Step 6: Final answer
    x = 82,371,681.74

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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.