Home / 138,216,316,608.76-207,324,474,913.16-38,842,961,180.28

Finding the Fourth Proportional to 138,216,316,608.76, 207,324,474,913.16 and 38,842,961,180.28

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Solution

The fourth proportional to 138,216,316,608.76, 207,324,474,913.16 and 38,842,961,180.28 is: 58,264,441,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,216,316,608.76 : 207,324,474,913.16 = 38,842,961,180.28 : x
  2. Step 2: Convert to fraction form
    138,216,316,608.76/207,324,474,913.16 = 38,842,961,180.28/x
  3. Step 3: Cross multiply
    138,216,316,608.76x = 207,324,474,913.16 × 38,842,961,180.28
  4. Step 4: Simplify right side
    138,216,316,608.76x = 8,053,096,530,773,808,250,880
  5. Step 5: Solve for x
    x = 8,053,096,530,773,808,250,880/138,216,316,608.76
  6. Step 6: Final answer
    x = 58,264,441,770.43

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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.