Home / 141,181,964.32-194,835,842.24-78,460,705.96

Finding the Fourth Proportional to 141,181,964.32, 194,835,842.24 and 78,460,705.96

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Solution

The fourth proportional to 141,181,964.32, 194,835,842.24 and 78,460,705.96 is: 108,278,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,181,964.32 : 194,835,842.24 = 78,460,705.96 : x
  2. Step 2: Convert to fraction form
    141,181,964.32/194,835,842.24 = 78,460,705.96/x
  3. Step 3: Cross multiply
    141,181,964.32x = 194,835,842.24 × 78,460,705.96
  4. Step 4: Simplify right side
    141,181,964.32x = 15,286,957,728,461,588
  5. Step 5: Solve for x
    x = 15,286,957,728,461,588/141,181,964.32
  6. Step 6: Final answer
    x = 108,278,403.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.