Home / 20,110,367,545.40-30,165,551,318.10-17,902,070,758.10

Finding the Fourth Proportional to 20,110,367,545.40, 30,165,551,318.10 and 17,902,070,758.10

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Solution

The fourth proportional to 20,110,367,545.40, 30,165,551,318.10 and 17,902,070,758.10 is: 26,853,106,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,367,545.40 : 30,165,551,318.10 = 17,902,070,758.10 : x
  2. Step 2: Convert to fraction form
    20,110,367,545.40/30,165,551,318.10 = 17,902,070,758.10/x
  3. Step 3: Cross multiply
    20,110,367,545.40x = 30,165,551,318.10 × 17,902,070,758.10
  4. Step 4: Simplify right side
    20,110,367,545.40x = 540,025,834,153,722,839,040
  5. Step 5: Solve for x
    x = 540,025,834,153,722,839,040/20,110,367,545.40
  6. Step 6: Final answer
    x = 26,853,106,137.15

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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.