Home / 203,764,428.80-305,646,643.20-101,727,756.80

Finding the Fourth Proportional to 203,764,428.80, 305,646,643.20 and 101,727,756.80

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Solution

The fourth proportional to 203,764,428.80, 305,646,643.20 and 101,727,756.80 is: 152,591,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,764,428.80 : 305,646,643.20 = 101,727,756.80 : x
  2. Step 2: Convert to fraction form
    203,764,428.80/305,646,643.20 = 101,727,756.80/x
  3. Step 3: Cross multiply
    203,764,428.80x = 305,646,643.20 × 101,727,756.80
  4. Step 4: Simplify right side
    203,764,428.80x = 31,092,747,386,185,972
  5. Step 5: Solve for x
    x = 31,092,747,386,185,972/203,764,428.80
  6. Step 6: Final answer
    x = 152,591,635.20

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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.