Home / 99,620,742.80-149,459,107.80-48,504,429.20

Finding the Fourth Proportional to 99,620,742.80, 149,459,107.80 and 48,504,429.20

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Solution

The fourth proportional to 99,620,742.80, 149,459,107.80 and 48,504,429.20 is: 72,770,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620,742.80 : 149,459,107.80 = 48,504,429.20 : x
  2. Step 2: Convert to fraction form
    99,620,742.80/149,459,107.80 = 48,504,429.20/x
  3. Step 3: Cross multiply
    99,620,742.80x = 149,459,107.80 × 48,504,429.20
  4. Step 4: Simplify right side
    99,620,742.80x = 7,249,428,712,580,269
  5. Step 5: Solve for x
    x = 7,249,428,712,580,269/99,620,742.80
  6. Step 6: Final answer
    x = 72,770,273.63

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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.