Home / 153,028,847.76-229,206,808.12-126,466,642.90

Finding the Fourth Proportional to 153,028,847.76, 229,206,808.12 and 126,466,642.90

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Solution

The fourth proportional to 153,028,847.76, 229,206,808.12 and 126,466,642.90 is: 189,421,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028,847.76 : 229,206,808.12 = 126,466,642.90 : x
  2. Step 2: Convert to fraction form
    153,028,847.76/229,206,808.12 = 126,466,642.90/x
  3. Step 3: Cross multiply
    153,028,847.76x = 229,206,808.12 × 126,466,642.90
  4. Step 4: Simplify right side
    153,028,847.76x = 28,987,015,552,760,864
  5. Step 5: Solve for x
    x = 28,987,015,552,760,864/153,028,847.76
  6. Step 6: Final answer
    x = 189,421,902.97

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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.