Home / 99,620,157.80-149,458,230.30-48,503,844.20

Finding the Fourth Proportional to 99,620,157.80, 149,458,230.30 and 48,503,844.20

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Solution

The fourth proportional to 99,620,157.80, 149,458,230.30 and 48,503,844.20 is: 72,769,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620,157.80 : 149,458,230.30 = 48,503,844.20 : x
  2. Step 2: Convert to fraction form
    99,620,157.80/149,458,230.30 = 48,503,844.20/x
  3. Step 3: Cross multiply
    99,620,157.80x = 149,458,230.30 × 48,503,844.20
  4. Step 4: Simplify right side
    99,620,157.80x = 7,249,298,716,878,920
  5. Step 5: Solve for x
    x = 7,249,298,716,878,920/99,620,157.80
  6. Step 6: Final answer
    x = 72,769,396.04

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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.