Home / 287,301,797.62-431,013,221.25-93,198,056.74

Finding the Fourth Proportional to 287,301,797.62, 431,013,221.25 and 93,198,056.74

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Solution

The fourth proportional to 287,301,797.62, 431,013,221.25 and 93,198,056.74 is: 139,816,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301,797.62 : 431,013,221.25 = 93,198,056.74 : x
  2. Step 2: Convert to fraction form
    287,301,797.62/431,013,221.25 = 93,198,056.74/x
  3. Step 3: Cross multiply
    287,301,797.62x = 431,013,221.25 × 93,198,056.74
  4. Step 4: Simplify right side
    287,301,797.62x = 40,169,594,649,747,672
  5. Step 5: Solve for x
    x = 40,169,594,649,747,672/287,301,797.62
  6. Step 6: Final answer
    x = 139,816,718.80

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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.