Home / 145,517,164.80-218,306,073.60-48,503,011.20

Finding the Fourth Proportional to 145,517,164.80, 218,306,073.60 and 48,503,011.20

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Solution

The fourth proportional to 145,517,164.80, 218,306,073.60 and 48,503,011.20 is: 72,764,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,517,164.80 : 218,306,073.60 = 48,503,011.20 : x
  2. Step 2: Convert to fraction form
    145,517,164.80/218,306,073.60 = 48,503,011.20/x
  3. Step 3: Cross multiply
    145,517,164.80x = 218,306,073.60 × 48,503,011.20
  4. Step 4: Simplify right side
    145,517,164.80x = 10,588,501,932,848,824
  5. Step 5: Solve for x
    x = 10,588,501,932,848,824/145,517,164.80
  6. Step 6: Final answer
    x = 72,764,625.04

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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.