Home / 313,151,460.70-469,721,048.62-126,400,436.10

Finding the Fourth Proportional to 313,151,460.70, 469,721,048.62 and 126,400,436.10

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Solution

The fourth proportional to 313,151,460.70, 469,721,048.62 and 126,400,436.10 is: 189,598,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,151,460.70 : 469,721,048.62 = 126,400,436.10 : x
  2. Step 2: Convert to fraction form
    313,151,460.70/469,721,048.62 = 126,400,436.10/x
  3. Step 3: Cross multiply
    313,151,460.70x = 469,721,048.62 × 126,400,436.10
  4. Step 4: Simplify right side
    313,151,460.70x = 59,372,945,390,917,304
  5. Step 5: Solve for x
    x = 59,372,945,390,917,304/313,151,460.70
  6. Step 6: Final answer
    x = 189,598,174.82

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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.