Home / 141,182,003.68-194,835,896-78,460,744.64

Finding the Fourth Proportional to 141,182,003.68, 194,835,896 and 78,460,744.64

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Solution

The fourth proportional to 141,182,003.68, 194,835,896 and 78,460,744.64 is: 108,278,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182,003.68 : 194,835,896 = 78,460,744.64 : x
  2. Step 2: Convert to fraction form
    141,182,003.68/194,835,896 = 78,460,744.64/x
  3. Step 3: Cross multiply
    141,182,003.68x = 194,835,896 × 78,460,744.64
  4. Step 4: Simplify right side
    141,182,003.68x = 15,286,969,482,761,598
  5. Step 5: Solve for x
    x = 15,286,969,482,761,598/141,182,003.68
  6. Step 6: Final answer
    x = 108,278,456.77

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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.