Home / 128,006,883.52-176,649,964.27-69,269,542.30

Finding the Fourth Proportional to 128,006,883.52, 176,649,964.27 and 69,269,542.30

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Solution

The fourth proportional to 128,006,883.52, 176,649,964.27 and 69,269,542.30 is: 95,592,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,006,883.52 : 176,649,964.27 = 69,269,542.30 : x
  2. Step 2: Convert to fraction form
    128,006,883.52/176,649,964.27 = 69,269,542.30/x
  3. Step 3: Cross multiply
    128,006,883.52x = 176,649,964.27 × 69,269,542.30
  4. Step 4: Simplify right side
    128,006,883.52x = 12,236,462,171,694,100
  5. Step 5: Solve for x
    x = 12,236,462,171,694,100/128,006,883.52
  6. Step 6: Final answer
    x = 95,592,220.01

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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.