Home / 140,591,054.11-194,000,884.52-77,865,508.91

Finding the Fourth Proportional to 140,591,054.11, 194,000,884.52 and 77,865,508.91

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Solution

The fourth proportional to 140,591,054.11, 194,000,884.52 and 77,865,508.91 is: 107,446,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591,054.11 : 194,000,884.52 = 77,865,508.91 : x
  2. Step 2: Convert to fraction form
    140,591,054.11/194,000,884.52 = 77,865,508.91/x
  3. Step 3: Cross multiply
    140,591,054.11x = 194,000,884.52 × 77,865,508.91
  4. Step 4: Simplify right side
    140,591,054.11x = 15,105,977,602,235,614
  5. Step 5: Solve for x
    x = 15,105,977,602,235,614/140,591,054.11
  6. Step 6: Final answer
    x = 107,446,221.94

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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.