Home / 120,739,891.35-181,071,442.50-38,839,705.68

Finding the Fourth Proportional to 120,739,891.35, 181,071,442.50 and 38,839,705.68

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Solution

The fourth proportional to 120,739,891.35, 181,071,442.50 and 38,839,705.68 is: 58,247,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,739,891.35 : 181,071,442.50 = 38,839,705.68 : x
  2. Step 2: Convert to fraction form
    120,739,891.35/181,071,442.50 = 38,839,705.68/x
  3. Step 3: Cross multiply
    120,739,891.35x = 181,071,442.50 × 38,839,705.68
  4. Step 4: Simplify right side
    120,739,891.35x = 7,032,761,533,753,043
  5. Step 5: Solve for x
    x = 7,032,761,533,753,043/120,739,891.35
  6. Step 6: Final answer
    x = 58,247,207.74

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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.