Home / 247,858,970.32-371,448,329.40-156,819,584.72

Finding the Fourth Proportional to 247,858,970.32, 371,448,329.40 and 156,819,584.72

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Solution

The fourth proportional to 247,858,970.32, 371,448,329.40 and 156,819,584.72 is: 235,014,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,858,970.32 : 371,448,329.40 = 156,819,584.72 : x
  2. Step 2: Convert to fraction form
    247,858,970.32/371,448,329.40 = 156,819,584.72/x
  3. Step 3: Cross multiply
    247,858,970.32x = 371,448,329.40 × 156,819,584.72
  4. Step 4: Simplify right side
    247,858,970.32x = 58,250,372,761,445,760
  5. Step 5: Solve for x
    x = 58,250,372,761,445,760/247,858,970.32
  6. Step 6: Final answer
    x = 235,014,180.39

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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.