Home / 137,981,871.60-206,972,807.40-131,263,407.60

Finding the Fourth Proportional to 137,981,871.60, 206,972,807.40 and 131,263,407.60

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Solution

The fourth proportional to 137,981,871.60, 206,972,807.40 and 131,263,407.60 is: 196,895,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,981,871.60 : 206,972,807.40 = 131,263,407.60 : x
  2. Step 2: Convert to fraction form
    137,981,871.60/206,972,807.40 = 131,263,407.60/x
  3. Step 3: Cross multiply
    137,981,871.60x = 206,972,807.40 × 131,263,407.60
  4. Step 4: Simplify right side
    137,981,871.60x = 27,167,955,979,862,496
  5. Step 5: Solve for x
    x = 27,167,955,979,862,496/137,981,871.60
  6. Step 6: Final answer
    x = 196,895,111.40

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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.