Home / 70,840,157,603.88-106,260,438,131.07-20,479,691,088.57

Finding the Fourth Proportional to 70,840,157,603.88, 106,260,438,131.07 and 20,479,691,088.57

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Solution

The fourth proportional to 70,840,157,603.88, 106,260,438,131.07 and 20,479,691,088.57 is: 30,719,594,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840,157,603.88 : 106,260,438,131.07 = 20,479,691,088.57 : x
  2. Step 2: Convert to fraction form
    70,840,157,603.88/106,260,438,131.07 = 20,479,691,088.57/x
  3. Step 3: Cross multiply
    70,840,157,603.88x = 106,260,438,131.07 × 20,479,691,088.57
  4. Step 4: Simplify right side
    70,840,157,603.88x = 2,176,180,947,860,418,199,552
  5. Step 5: Solve for x
    x = 2,176,180,947,860,418,199,552/70,840,157,603.88
  6. Step 6: Final answer
    x = 30,719,594,951.06

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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.