Home / 318,415,025.90-477,625,212.77-88,402,046.70

Finding the Fourth Proportional to 318,415,025.90, 477,625,212.77 and 88,402,046.70

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Solution

The fourth proportional to 318,415,025.90, 477,625,212.77 and 88,402,046.70 is: 132,603,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,415,025.90 : 477,625,212.77 = 88,402,046.70 : x
  2. Step 2: Convert to fraction form
    318,415,025.90/477,625,212.77 = 88,402,046.70/x
  3. Step 3: Cross multiply
    318,415,025.90x = 477,625,212.77 × 88,402,046.70
  4. Step 4: Simplify right side
    318,415,025.90x = 42,223,046,364,390,976
  5. Step 5: Solve for x
    x = 42,223,046,364,390,976/318,415,025.90
  6. Step 6: Final answer
    x = 132,603,812.41

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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.