Home / 310,517,836.11-465,727,393.56-103,239,006.21

Finding the Fourth Proportional to 310,517,836.11, 465,727,393.56 and 103,239,006.21

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Solution

The fourth proportional to 310,517,836.11, 465,727,393.56 and 103,239,006.21 is: 154,842,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,517,836.11 : 465,727,393.56 = 103,239,006.21 : x
  2. Step 2: Convert to fraction form
    310,517,836.11/465,727,393.56 = 103,239,006.21/x
  3. Step 3: Cross multiply
    310,517,836.11x = 465,727,393.56 × 103,239,006.21
  4. Step 4: Simplify right side
    310,517,836.11x = 48,081,233,275,907,952
  5. Step 5: Solve for x
    x = 48,081,233,275,907,952/310,517,836.11
  6. Step 6: Final answer
    x = 154,842,098.21

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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.