Home / 127,013,566.26-175,340,306.91-85,182,329.72

Finding the Fourth Proportional to 127,013,566.26, 175,340,306.91 and 85,182,329.72

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Solution

The fourth proportional to 127,013,566.26, 175,340,306.91 and 85,182,329.72 is: 117,592,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,013,566.26 : 175,340,306.91 = 85,182,329.72 : x
  2. Step 2: Convert to fraction form
    127,013,566.26/175,340,306.91 = 85,182,329.72/x
  3. Step 3: Cross multiply
    127,013,566.26x = 175,340,306.91 × 85,182,329.72
  4. Step 4: Simplify right side
    127,013,566.26x = 14,935,895,835,856,346
  5. Step 5: Solve for x
    x = 14,935,895,835,856,346/127,013,566.26
  6. Step 6: Final answer
    x = 117,592,917.64

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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.