Home / 137,187,100.48-205,511,595.84-79,558,299.52

Finding the Fourth Proportional to 137,187,100.48, 205,511,595.84 and 79,558,299.52

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Solution

The fourth proportional to 137,187,100.48, 205,511,595.84 and 79,558,299.52 is: 119,181,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,187,100.48 : 205,511,595.84 = 79,558,299.52 : x
  2. Step 2: Convert to fraction form
    137,187,100.48/205,511,595.84 = 79,558,299.52/x
  3. Step 3: Cross multiply
    137,187,100.48x = 205,511,595.84 × 79,558,299.52
  4. Step 4: Simplify right side
    137,187,100.48x = 16,350,153,096,671,906
  5. Step 5: Solve for x
    x = 16,350,153,096,671,906/137,187,100.48
  6. Step 6: Final answer
    x = 119,181,417.49

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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.