Home / 99,645,376.20-149,468,064.30-45,897,664.20

Finding the Fourth Proportional to 99,645,376.20, 149,468,064.30 and 45,897,664.20

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Solution

The fourth proportional to 99,645,376.20, 149,468,064.30 and 45,897,664.20 is: 68,846,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,376.20 : 149,468,064.30 = 45,897,664.20 : x
  2. Step 2: Convert to fraction form
    99,645,376.20/149,468,064.30 = 45,897,664.20/x
  3. Step 3: Cross multiply
    99,645,376.20x = 149,468,064.30 × 45,897,664.20
  4. Step 4: Simplify right side
    99,645,376.20x = 6,860,235,023,865,409
  5. Step 5: Solve for x
    x = 6,860,235,023,865,409/99,645,376.20
  6. Step 6: Final answer
    x = 68,846,496.30

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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.