Home / 141,177,977.24-194,830,334.04-78,456,719

Finding the Fourth Proportional to 141,177,977.24, 194,830,334.04 and 78,456,719

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Solution

The fourth proportional to 141,177,977.24, 194,830,334.04 and 78,456,719 is: 108,272,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177,977.24 : 194,830,334.04 = 78,456,719 : x
  2. Step 2: Convert to fraction form
    141,177,977.24/194,830,334.04 = 78,456,719/x
  3. Step 3: Cross multiply
    141,177,977.24x = 194,830,334.04 × 78,456,719
  4. Step 4: Simplify right side
    141,177,977.24x = 15,285,748,770,452,414
  5. Step 5: Solve for x
    x = 15,285,748,770,452,414/141,177,977.24
  6. Step 6: Final answer
    x = 108,272,898.29

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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.