Home / 99,620,747.80-149,459,115.30-48,504,434.20

Finding the Fourth Proportional to 99,620,747.80, 149,459,115.30 and 48,504,434.20

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Solution

The fourth proportional to 99,620,747.80, 149,459,115.30 and 48,504,434.20 is: 72,770,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620,747.80 : 149,459,115.30 = 48,504,434.20 : x
  2. Step 2: Convert to fraction form
    99,620,747.80/149,459,115.30 = 48,504,434.20/x
  3. Step 3: Cross multiply
    99,620,747.80x = 149,459,115.30 × 48,504,434.20
  4. Step 4: Simplify right side
    99,620,747.80x = 7,249,429,823,659,064
  5. Step 5: Solve for x
    x = 7,249,429,823,659,064/99,620,747.80
  6. Step 6: Final answer
    x = 72,770,281.13

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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.