Home / 137,187,105.32-205,511,603.34-79,558,304.36

Finding the Fourth Proportional to 137,187,105.32, 205,511,603.34 and 79,558,304.36

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Solution

The fourth proportional to 137,187,105.32, 205,511,603.34 and 79,558,304.36 is: 119,181,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,187,105.32 : 205,511,603.34 = 79,558,304.36 : x
  2. Step 2: Convert to fraction form
    137,187,105.32/205,511,603.34 = 79,558,304.36/x
  3. Step 3: Cross multiply
    137,187,105.32x = 205,511,603.34 × 79,558,304.36
  4. Step 4: Simplify right side
    137,187,105.32x = 16,350,154,688,035,312
  5. Step 5: Solve for x
    x = 16,350,154,688,035,312/137,187,105.32
  6. Step 6: Final answer
    x = 119,181,424.89

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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.