Home / 220,499,912.55-330,799,697.61-72,947,126.28

Finding the Fourth Proportional to 220,499,912.55, 330,799,697.61 and 72,947,126.28

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Solution

The fourth proportional to 220,499,912.55, 330,799,697.61 and 72,947,126.28 is: 109,437,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,499,912.55 : 330,799,697.61 = 72,947,126.28 : x
  2. Step 2: Convert to fraction form
    220,499,912.55/330,799,697.61 = 72,947,126.28/x
  3. Step 3: Cross multiply
    220,499,912.55x = 330,799,697.61 × 72,947,126.28
  4. Step 4: Simplify right side
    220,499,912.55x = 24,130,887,314,942,484
  5. Step 5: Solve for x
    x = 24,130,887,314,942,484/220,499,912.55
  6. Step 6: Final answer
    x = 109,437,174.08

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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.