Home / 238,920,136.82-329,726,359.80-144,838,249.30

Finding the Fourth Proportional to 238,920,136.82, 329,726,359.80 and 144,838,249.30

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Solution

The fourth proportional to 238,920,136.82, 329,726,359.80 and 144,838,249.30 is: 199,886,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,920,136.82 : 329,726,359.80 = 144,838,249.30 : x
  2. Step 2: Convert to fraction form
    238,920,136.82/329,726,359.80 = 144,838,249.30/x
  3. Step 3: Cross multiply
    238,920,136.82x = 329,726,359.80 × 144,838,249.30
  4. Step 4: Simplify right side
    238,920,136.82x = 47,756,988,700,769,712
  5. Step 5: Solve for x
    x = 47,756,988,700,769,712/238,920,136.82
  6. Step 6: Final answer
    x = 199,886,829.71

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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.