Home / 138,300,687.30-207,451,030.95-130,364,501.70

Finding the Fourth Proportional to 138,300,687.30, 207,451,030.95 and 130,364,501.70

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Solution

The fourth proportional to 138,300,687.30, 207,451,030.95 and 130,364,501.70 is: 195,546,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,300,687.30 : 207,451,030.95 = 130,364,501.70 : x
  2. Step 2: Convert to fraction form
    138,300,687.30/207,451,030.95 = 130,364,501.70/x
  3. Step 3: Cross multiply
    138,300,687.30x = 207,451,030.95 × 130,364,501.70
  4. Step 4: Simplify right side
    138,300,687.30x = 27,044,250,276,948,028
  5. Step 5: Solve for x
    x = 27,044,250,276,948,028/138,300,687.30
  6. Step 6: Final answer
    x = 195,546,752.55

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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.