Home / 253,348,155.39-380,079,535.91-136,761,008.97

Finding the Fourth Proportional to 253,348,155.39, 380,079,535.91 and 136,761,008.97

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Solution

The fourth proportional to 253,348,155.39, 380,079,535.91 and 136,761,008.97 is: 205,172,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,348,155.39 : 380,079,535.91 = 136,761,008.97 : x
  2. Step 2: Convert to fraction form
    253,348,155.39/380,079,535.91 = 136,761,008.97/x
  3. Step 3: Cross multiply
    253,348,155.39x = 380,079,535.91 × 136,761,008.97
  4. Step 4: Simplify right side
    253,348,155.39x = 51,980,060,819,217,136
  5. Step 5: Solve for x
    x = 51,980,060,819,217,136/253,348,155.39
  6. Step 6: Final answer
    x = 205,172,446.35

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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.