Home / 287,301,781.58-431,013,197.18-93,198,040.70

Finding the Fourth Proportional to 287,301,781.58, 431,013,197.18 and 93,198,040.70

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Solution

The fourth proportional to 287,301,781.58, 431,013,197.18 and 93,198,040.70 is: 139,816,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301,781.58 : 431,013,197.18 = 93,198,040.70 : x
  2. Step 2: Convert to fraction form
    287,301,781.58/431,013,197.18 = 93,198,040.70/x
  3. Step 3: Cross multiply
    287,301,781.58x = 431,013,197.18 × 93,198,040.70
  4. Step 4: Simplify right side
    287,301,781.58x = 40,169,585,491,096,688
  5. Step 5: Solve for x
    x = 40,169,585,491,096,688/287,301,781.58
  6. Step 6: Final answer
    x = 139,816,694.73

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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.