Home / 91,898,924.16-137,864,780.88-30,491,767.68

Finding the Fourth Proportional to 91,898,924.16, 137,864,780.88 and 30,491,767.68

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Solution

The fourth proportional to 91,898,924.16, 137,864,780.88 and 30,491,767.68 is: 45,743,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,898,924.16 : 137,864,780.88 = 30,491,767.68 : x
  2. Step 2: Convert to fraction form
    91,898,924.16/137,864,780.88 = 30,491,767.68/x
  3. Step 3: Cross multiply
    91,898,924.16x = 137,864,780.88 × 30,491,767.68
  4. Step 4: Simplify right side
    91,898,924.16x = 4,203,740,869,847,066
  5. Step 5: Solve for x
    x = 4,203,740,869,847,066/91,898,924.16
  6. Step 6: Final answer
    x = 45,743,091.21

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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.