Home / 147,428,201.20-221,142,301.80-50,369,359.90

Finding the Fourth Proportional to 147,428,201.20, 221,142,301.80 and 50,369,359.90

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Solution

The fourth proportional to 147,428,201.20, 221,142,301.80 and 50,369,359.90 is: 75,554,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,428,201.20 : 221,142,301.80 = 50,369,359.90 : x
  2. Step 2: Convert to fraction form
    147,428,201.20/221,142,301.80 = 50,369,359.90/x
  3. Step 3: Cross multiply
    147,428,201.20x = 221,142,301.80 × 50,369,359.90
  4. Step 4: Simplify right side
    147,428,201.20x = 11,138,796,188,478,618
  5. Step 5: Solve for x
    x = 11,138,796,188,478,618/147,428,201.20
  6. Step 6: Final answer
    x = 75,554,039.85

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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.