Home / 136,088,419,401.80-187,801,363,981.56-75,120,253,312.46

Finding the Fourth Proportional to 136,088,419,401.80, 187,801,363,981.56 and 75,120,253,312.46

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Solution

The fourth proportional to 136,088,419,401.80, 187,801,363,981.56 and 75,120,253,312.46 is: 103,665,588,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088,419,401.80 : 187,801,363,981.56 = 75,120,253,312.46 : x
  2. Step 2: Convert to fraction form
    136,088,419,401.80/187,801,363,981.56 = 75,120,253,312.46/x
  3. Step 3: Cross multiply
    136,088,419,401.80x = 187,801,363,981.56 × 75,120,253,312.46
  4. Step 4: Simplify right side
    136,088,419,401.80x = 14,107,686,034,720,289,718,272
  5. Step 5: Solve for x
    x = 14,107,686,034,720,289,718,272/136,088,419,401.80
  6. Step 6: Final answer
    x = 103,665,588,128.17

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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.