Home / 70,912,165.77-97,860,286.22-39,972,326.85

Finding the Fourth Proportional to 70,912,165.77, 97,860,286.22 and 39,972,326.85

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Solution

The fourth proportional to 70,912,165.77, 97,860,286.22 and 39,972,326.85 is: 55,162,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912,165.77 : 97,860,286.22 = 39,972,326.85 : x
  2. Step 2: Convert to fraction form
    70,912,165.77/97,860,286.22 = 39,972,326.85/x
  3. Step 3: Cross multiply
    70,912,165.77x = 97,860,286.22 × 39,972,326.85
  4. Step 4: Simplify right side
    70,912,165.77x = 3,911,703,346,220,529.50
  5. Step 5: Solve for x
    x = 3,911,703,346,220,529.50/70,912,165.77
  6. Step 6: Final answer
    x = 55,162,655.15

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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.