Home / 230,540,155.16-318,147,925.16-126,115,984.46

Finding the Fourth Proportional to 230,540,155.16, 318,147,925.16 and 126,115,984.46

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Solution

The fourth proportional to 230,540,155.16, 318,147,925.16 and 126,115,984.46 is: 174,041,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,540,155.16 : 318,147,925.16 = 126,115,984.46 : x
  2. Step 2: Convert to fraction form
    230,540,155.16/318,147,925.16 = 126,115,984.46/x
  3. Step 3: Cross multiply
    230,540,155.16x = 318,147,925.16 × 126,115,984.46
  4. Step 4: Simplify right side
    230,540,155.16x = 40,123,538,786,570,464
  5. Step 5: Solve for x
    x = 40,123,538,786,570,464/230,540,155.16
  6. Step 6: Final answer
    x = 174,041,432.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.