Home / 172,156,693,049.89-237,662,248,057.62-107,072,098,938.65

Finding the Fourth Proportional to 172,156,693,049.89, 237,662,248,057.62 and 107,072,098,938.65

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Solution

The fourth proportional to 172,156,693,049.89, 237,662,248,057.62 and 107,072,098,938.65 is: 147,812,991,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,156,693,049.89 : 237,662,248,057.62 = 107,072,098,938.65 : x
  2. Step 2: Convert to fraction form
    172,156,693,049.89/237,662,248,057.62 = 107,072,098,938.65/x
  3. Step 3: Cross multiply
    172,156,693,049.89x = 237,662,248,057.62 × 107,072,098,938.65
  4. Step 4: Simplify right side
    172,156,693,049.89x = 25,446,995,738,007,466,672,128
  5. Step 5: Solve for x
    x = 25,446,995,738,007,466,672,128/172,156,693,049.89
  6. Step 6: Final answer
    x = 147,812,991,102.43

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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.