Home / 99,620,120.80-149,458,174.80-48,503,807.20

Finding the Fourth Proportional to 99,620,120.80, 149,458,174.80 and 48,503,807.20

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Solution

The fourth proportional to 99,620,120.80, 149,458,174.80 and 48,503,807.20 is: 72,769,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620,120.80 : 149,458,174.80 = 48,503,807.20 : x
  2. Step 2: Convert to fraction form
    99,620,120.80/149,458,174.80 = 48,503,807.20/x
  3. Step 3: Cross multiply
    99,620,120.80x = 149,458,174.80 × 48,503,807.20
  4. Step 4: Simplify right side
    99,620,120.80x = 7,249,290,494,963,100
  5. Step 5: Solve for x
    x = 7,249,290,494,963,100/99,620,120.80
  6. Step 6: Final answer
    x = 72,769,340.54

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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.