Home / 318,482,104.97-477,501,061.12-141,122,783.32

Finding the Fourth Proportional to 318,482,104.97, 477,501,061.12 and 141,122,783.32

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Solution

The fourth proportional to 318,482,104.97, 477,501,061.12 and 141,122,783.32 is: 211,585,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,482,104.97 : 477,501,061.12 = 141,122,783.32 : x
  2. Step 2: Convert to fraction form
    318,482,104.97/477,501,061.12 = 141,122,783.32/x
  3. Step 3: Cross multiply
    318,482,104.97x = 477,501,061.12 × 141,122,783.32
  4. Step 4: Simplify right side
    318,482,104.97x = 67,386,278,781,961,272
  5. Step 5: Solve for x
    x = 67,386,278,781,961,272/318,482,104.97
  6. Step 6: Final answer
    x = 211,585,761.74

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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.