Home / 124,772,103.40-186,981,207.90-92,169,581.80

Finding the Fourth Proportional to 124,772,103.40, 186,981,207.90 and 92,169,581.80

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Solution

The fourth proportional to 124,772,103.40, 186,981,207.90 and 92,169,581.80 is: 138,123,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,772,103.40 : 186,981,207.90 = 92,169,581.80 : x
  2. Step 2: Convert to fraction form
    124,772,103.40/186,981,207.90 = 92,169,581.80/x
  3. Step 3: Cross multiply
    124,772,103.40x = 186,981,207.90 × 92,169,581.80
  4. Step 4: Simplify right side
    124,772,103.40x = 17,233,979,736,601,856
  5. Step 5: Solve for x
    x = 17,233,979,736,601,856/124,772,103.40
  6. Step 6: Final answer
    x = 138,123,661.19

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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.