Home / 247,858,969.32-371,448,327.90-156,819,583.72

Finding the Fourth Proportional to 247,858,969.32, 371,448,327.90 and 156,819,583.72

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Solution

The fourth proportional to 247,858,969.32, 371,448,327.90 and 156,819,583.72 is: 235,014,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,858,969.32 : 371,448,327.90 = 156,819,583.72 : x
  2. Step 2: Convert to fraction form
    247,858,969.32/371,448,327.90 = 156,819,583.72/x
  3. Step 3: Cross multiply
    247,858,969.32x = 371,448,327.90 × 156,819,583.72
  4. Step 4: Simplify right side
    247,858,969.32x = 58,250,372,154,768,056
  5. Step 5: Solve for x
    x = 58,250,372,154,768,056/247,858,969.32
  6. Step 6: Final answer
    x = 235,014,178.89

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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.