Home / 91,221,605,999.85-136,832,408,999.78-91,221,605,999.85

Finding the Fourth Proportional to 91,221,605,999.85, 136,832,408,999.78 and 91,221,605,999.85

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Solution

The fourth proportional to 91,221,605,999.85, 136,832,408,999.78 and 91,221,605,999.85 is: 136,832,408,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,221,605,999.85 : 136,832,408,999.78 = 91,221,605,999.85 : x
  2. Step 2: Convert to fraction form
    91,221,605,999.85/136,832,408,999.78 = 91,221,605,999.85/x
  3. Step 3: Cross multiply
    91,221,605,999.85x = 136,832,408,999.78 × 91,221,605,999.85
  4. Step 4: Simplify right side
    91,221,605,999.85x = 12,482,072,101,788,261,023,744
  5. Step 5: Solve for x
    x = 12,482,072,101,788,261,023,744/91,221,605,999.85
  6. Step 6: Final answer
    x = 136,832,408,999.78

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1.5x scale

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.