Home / 425,169,921.42-637,754,889.56-102,053,793.42

Finding the Fourth Proportional to 425,169,921.42, 637,754,889.56 and 102,053,793.42

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Solution

The fourth proportional to 425,169,921.42, 637,754,889.56 and 102,053,793.42 is: 153,080,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,921.42 : 637,754,889.56 = 102,053,793.42 : x
  2. Step 2: Convert to fraction form
    425,169,921.42/637,754,889.56 = 102,053,793.42/x
  3. Step 3: Cross multiply
    425,169,921.42x = 637,754,889.56 × 102,053,793.42
  4. Step 4: Simplify right side
    425,169,921.42x = 65,085,305,751,240,880
  5. Step 5: Solve for x
    x = 65,085,305,751,240,880/425,169,921.42
  6. Step 6: Final answer
    x = 153,080,691.91

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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.