Home / 99,649,056.30-149,473,584.45-73,821,023.70

Finding the Fourth Proportional to 99,649,056.30, 149,473,584.45 and 73,821,023.70

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Solution

The fourth proportional to 99,649,056.30, 149,473,584.45 and 73,821,023.70 is: 110,731,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,056.30 : 149,473,584.45 = 73,821,023.70 : x
  2. Step 2: Convert to fraction form
    99,649,056.30/149,473,584.45 = 73,821,023.70/x
  3. Step 3: Cross multiply
    99,649,056.30x = 149,473,584.45 × 73,821,023.70
  4. Step 4: Simplify right side
    99,649,056.30x = 11,034,293,020,207,402
  5. Step 5: Solve for x
    x = 11,034,293,020,207,402/99,649,056.30
  6. Step 6: Final answer
    x = 110,731,535.55

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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.