Home / 89,029,866.30-133,544,799.45-80,243,375.10

Finding the Fourth Proportional to 89,029,866.30, 133,544,799.45 and 80,243,375.10

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Solution

The fourth proportional to 89,029,866.30, 133,544,799.45 and 80,243,375.10 is: 120,365,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,029,866.30 : 133,544,799.45 = 80,243,375.10 : x
  2. Step 2: Convert to fraction form
    89,029,866.30/133,544,799.45 = 80,243,375.10/x
  3. Step 3: Cross multiply
    89,029,866.30x = 133,544,799.45 × 80,243,375.10
  4. Step 4: Simplify right side
    89,029,866.30x = 10,716,085,434,920,624
  5. Step 5: Solve for x
    x = 10,716,085,434,920,624/89,029,866.30
  6. Step 6: Final answer
    x = 120,365,062.65

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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.