Home / 87,540,386,374.44-120,865,034,976.90-55,454,222,140.20

Finding the Fourth Proportional to 87,540,386,374.44, 120,865,034,976.90 and 55,454,222,140.20

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Solution

The fourth proportional to 87,540,386,374.44, 120,865,034,976.90 and 55,454,222,140.20 is: 76,564,392,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540,386,374.44 : 120,865,034,976.90 = 55,454,222,140.20 : x
  2. Step 2: Convert to fraction form
    87,540,386,374.44/120,865,034,976.90 = 55,454,222,140.20/x
  3. Step 3: Cross multiply
    87,540,386,374.44x = 120,865,034,976.90 × 55,454,222,140.20
  4. Step 4: Simplify right side
    87,540,386,374.44x = 6,702,476,498,592,054,902,784
  5. Step 5: Solve for x
    x = 6,702,476,498,592,054,902,784/87,540,386,374.44
  6. Step 6: Final answer
    x = 76,564,392,461.36

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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.