Home / 425,169,640.56-637,754,469.05-102,053,512.56

Finding the Fourth Proportional to 425,169,640.56, 637,754,469.05 and 102,053,512.56

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Solution

The fourth proportional to 425,169,640.56, 637,754,469.05 and 102,053,512.56 is: 153,080,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,640.56 : 637,754,469.05 = 102,053,512.56 : x
  2. Step 2: Convert to fraction form
    425,169,640.56/637,754,469.05 = 102,053,512.56/x
  3. Step 3: Cross multiply
    425,169,640.56x = 637,754,469.05 × 102,053,512.56
  4. Step 4: Simplify right side
    425,169,640.56x = 65,085,083,717,390,304
  5. Step 5: Solve for x
    x = 65,085,083,717,390,304/425,169,640.56
  6. Step 6: Final answer
    x = 153,080,270.81

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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.