Home / 99,658,532.70-149,487,799.05-45,910,820.70

Finding the Fourth Proportional to 99,658,532.70, 149,487,799.05 and 45,910,820.70

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Solution

The fourth proportional to 99,658,532.70, 149,487,799.05 and 45,910,820.70 is: 68,866,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,658,532.70 : 149,487,799.05 = 45,910,820.70 : x
  2. Step 2: Convert to fraction form
    99,658,532.70/149,487,799.05 = 45,910,820.70/x
  3. Step 3: Cross multiply
    99,658,532.70x = 149,487,799.05 × 45,910,820.70
  4. Step 4: Simplify right side
    99,658,532.70x = 6,863,107,539,022,181
  5. Step 5: Solve for x
    x = 6,863,107,539,022,181/99,658,532.70
  6. Step 6: Final answer
    x = 68,866,231.05

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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.