Home / 255,838,270.40-383,784,287.88-83,328,517.28

Finding the Fourth Proportional to 255,838,270.40, 383,784,287.88 and 83,328,517.28

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Solution

The fourth proportional to 255,838,270.40, 383,784,287.88 and 83,328,517.28 is: 125,001,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,838,270.40 : 383,784,287.88 = 83,328,517.28 : x
  2. Step 2: Convert to fraction form
    255,838,270.40/383,784,287.88 = 83,328,517.28/x
  3. Step 3: Cross multiply
    255,838,270.40x = 383,784,287.88 × 83,328,517.28
  4. Step 4: Simplify right side
    255,838,270.40x = 31,980,175,664,401,076
  5. Step 5: Solve for x
    x = 31,980,175,664,401,076/255,838,270.40
  6. Step 6: Final answer
    x = 125,001,531.69

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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.