Home / 137,788,341.70-206,682,512.55-123,758,299.30

Finding the Fourth Proportional to 137,788,341.70, 206,682,512.55 and 123,758,299.30

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Solution

The fourth proportional to 137,788,341.70, 206,682,512.55 and 123,758,299.30 is: 185,637,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,788,341.70 : 206,682,512.55 = 123,758,299.30 : x
  2. Step 2: Convert to fraction form
    137,788,341.70/206,682,512.55 = 123,758,299.30/x
  3. Step 3: Cross multiply
    137,788,341.70x = 206,682,512.55 × 123,758,299.30
  4. Step 4: Simplify right side
    137,788,341.70x = 25,578,676,248,238,908
  5. Step 5: Solve for x
    x = 25,578,676,248,238,908/137,788,341.70
  6. Step 6: Final answer
    x = 185,637,448.95

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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.