Home / 167,743,363.76-231,557,264.16-112,771,106.72

Finding the Fourth Proportional to 167,743,363.76, 231,557,264.16 and 112,771,106.72

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Solution

The fourth proportional to 167,743,363.76, 231,557,264.16 and 112,771,106.72 is: 155,672,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,743,363.76 : 231,557,264.16 = 112,771,106.72 : x
  2. Step 2: Convert to fraction form
    167,743,363.76/231,557,264.16 = 112,771,106.72/x
  3. Step 3: Cross multiply
    167,743,363.76x = 231,557,264.16 × 112,771,106.72
  4. Step 4: Simplify right side
    167,743,363.76x = 26,112,968,948,378,592
  5. Step 5: Solve for x
    x = 26,112,968,948,378,592/167,743,363.76
  6. Step 6: Final answer
    x = 155,672,143.23

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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.