Home / 87,506,436,306.94-120,757,307,981.05-49,443,826,089.22

Finding the Fourth Proportional to 87,506,436,306.94, 120,757,307,981.05 and 49,443,826,089.22

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Solution

The fourth proportional to 87,506,436,306.94, 120,757,307,981.05 and 49,443,826,089.22 is: 68,231,590,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506,436,306.94 : 120,757,307,981.05 = 49,443,826,089.22 : x
  2. Step 2: Convert to fraction form
    87,506,436,306.94/120,757,307,981.05 = 49,443,826,089.22/x
  3. Step 3: Cross multiply
    87,506,436,306.94x = 120,757,307,981.05 × 49,443,826,089.22
  4. Step 4: Simplify right side
    87,506,436,306.94x = 5,970,703,334,817,414,512,640
  5. Step 5: Solve for x
    x = 5,970,703,334,817,414,512,640/87,506,436,306.94
  6. Step 6: Final answer
    x = 68,231,590,575.51

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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.