Home / 228,106,160.75-314,792,691.45-129,001,728.13

Finding the Fourth Proportional to 228,106,160.75, 314,792,691.45 and 129,001,728.13

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Solution

The fourth proportional to 228,106,160.75, 314,792,691.45 and 129,001,728.13 is: 178,025,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,106,160.75 : 314,792,691.45 = 129,001,728.13 : x
  2. Step 2: Convert to fraction form
    228,106,160.75/314,792,691.45 = 129,001,728.13/x
  3. Step 3: Cross multiply
    228,106,160.75x = 314,792,691.45 × 129,001,728.13
  4. Step 4: Simplify right side
    228,106,160.75x = 40,608,801,199,743,872
  5. Step 5: Solve for x
    x = 40,608,801,199,743,872/228,106,160.75
  6. Step 6: Final answer
    x = 178,025,885.26

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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.