Home / 54,128,816.70-81,193,225.05-52,534,493.70

Finding the Fourth Proportional to 54,128,816.70, 81,193,225.05 and 52,534,493.70

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Solution

The fourth proportional to 54,128,816.70, 81,193,225.05 and 52,534,493.70 is: 78,801,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,816.70 : 81,193,225.05 = 52,534,493.70 : x
  2. Step 2: Convert to fraction form
    54,128,816.70/81,193,225.05 = 52,534,493.70/x
  3. Step 3: Cross multiply
    54,128,816.70x = 81,193,225.05 × 52,534,493.70
  4. Step 4: Simplify right side
    54,128,816.70x = 4,265,444,969,871,907.50
  5. Step 5: Solve for x
    x = 4,265,444,969,871,907.50/54,128,816.70
  6. Step 6: Final answer
    x = 78,801,740.55

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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.