Home / 318,414,982.40-477,625,147.36-88,402,003.28

Finding the Fourth Proportional to 318,414,982.40, 477,625,147.36 and 88,402,003.28

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Solution

The fourth proportional to 318,414,982.40, 477,625,147.36 and 88,402,003.28 is: 132,603,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,414,982.40 : 477,625,147.36 = 88,402,003.28 : x
  2. Step 2: Convert to fraction form
    318,414,982.40/477,625,147.36 = 88,402,003.28/x
  3. Step 3: Cross multiply
    318,414,982.40x = 477,625,147.36 × 88,402,003.28
  4. Step 4: Simplify right side
    318,414,982.40x = 42,223,019,843,529,208
  5. Step 5: Solve for x
    x = 42,223,019,843,529,208/318,414,982.40
  6. Step 6: Final answer
    x = 132,603,747.24

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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.