Home / 141,218,543.00-194,876,618.83-77,638,419.24

Finding the Fourth Proportional to 141,218,543.00, 194,876,618.83 and 77,638,419.24

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Solution

The fourth proportional to 141,218,543.00, 194,876,618.83 and 77,638,419.24 is: 107,138,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218,543.00 : 194,876,618.83 = 77,638,419.24 : x
  2. Step 2: Convert to fraction form
    141,218,543.00/194,876,618.83 = 77,638,419.24/x
  3. Step 3: Cross multiply
    141,218,543.00x = 194,876,618.83 × 77,638,419.24
  4. Step 4: Simplify right side
    141,218,543.00x = 15,129,912,632,308,662
  5. Step 5: Solve for x
    x = 15,129,912,632,308,662/141,218,543.00
  6. Step 6: Final answer
    x = 107,138,285.88

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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.