Home / 86,228,584.20-129,342,876.30-85,094,843.40

Finding the Fourth Proportional to 86,228,584.20, 129,342,876.30 and 85,094,843.40

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Solution

The fourth proportional to 86,228,584.20, 129,342,876.30 and 85,094,843.40 is: 127,642,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228,584.20 : 129,342,876.30 = 85,094,843.40 : x
  2. Step 2: Convert to fraction form
    86,228,584.20/129,342,876.30 = 85,094,843.40/x
  3. Step 3: Cross multiply
    86,228,584.20x = 129,342,876.30 × 85,094,843.40
  4. Step 4: Simplify right side
    86,228,584.20x = 11,006,411,803,654,072
  5. Step 5: Solve for x
    x = 11,006,411,803,654,072/86,228,584.20
  6. Step 6: Final answer
    x = 127,642,265.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.