Home / 88,706,010.20-133,059,015.30-75,716,979.80

Finding the Fourth Proportional to 88,706,010.20, 133,059,015.30 and 75,716,979.80

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Solution

The fourth proportional to 88,706,010.20, 133,059,015.30 and 75,716,979.80 is: 113,575,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,010.20 : 133,059,015.30 = 75,716,979.80 : x
  2. Step 2: Convert to fraction form
    88,706,010.20/133,059,015.30 = 75,716,979.80/x
  3. Step 3: Cross multiply
    88,706,010.20x = 133,059,015.30 × 75,716,979.80
  4. Step 4: Simplify right side
    88,706,010.20x = 10,074,826,773,677,990
  5. Step 5: Solve for x
    x = 10,074,826,773,677,990/88,706,010.20
  6. Step 6: Final answer
    x = 113,575,469.70

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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.