Home / 137,187,026.82-205,511,485.77-79,558,225.74

Finding the Fourth Proportional to 137,187,026.82, 205,511,485.77 and 79,558,225.74

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Solution

The fourth proportional to 137,187,026.82, 205,511,485.77 and 79,558,225.74 is: 119,181,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,187,026.82 : 205,511,485.77 = 79,558,225.74 : x
  2. Step 2: Convert to fraction form
    137,187,026.82/205,511,485.77 = 79,558,225.74/x
  3. Step 3: Cross multiply
    137,187,026.82x = 205,511,485.77 × 79,558,225.74
  4. Step 4: Simplify right side
    137,187,026.82x = 16,350,129,177,052,458
  5. Step 5: Solve for x
    x = 16,350,129,177,052,458/137,187,026.82
  6. Step 6: Final answer
    x = 119,181,307.13

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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.