Home / 231,162,057.12-319,001,952.72-126,738,406.08

Finding the Fourth Proportional to 231,162,057.12, 319,001,952.72 and 126,738,406.08

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Solution

The fourth proportional to 231,162,057.12, 319,001,952.72 and 126,738,406.08 is: 174,898,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,162,057.12 : 319,001,952.72 = 126,738,406.08 : x
  2. Step 2: Convert to fraction form
    231,162,057.12/319,001,952.72 = 126,738,406.08/x
  3. Step 3: Cross multiply
    231,162,057.12x = 319,001,952.72 × 126,738,406.08
  4. Step 4: Simplify right side
    231,162,057.12x = 40,429,799,024,140,320
  5. Step 5: Solve for x
    x = 40,429,799,024,140,320/231,162,057.12
  6. Step 6: Final answer
    x = 174,898,075.96

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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.