Home / 215,670,257.40-323,505,386.10-154,448,254.20

Finding the Fourth Proportional to 215,670,257.40, 323,505,386.10 and 154,448,254.20

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Solution

The fourth proportional to 215,670,257.40, 323,505,386.10 and 154,448,254.20 is: 231,672,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,670,257.40 : 323,505,386.10 = 154,448,254.20 : x
  2. Step 2: Convert to fraction form
    215,670,257.40/323,505,386.10 = 154,448,254.20/x
  3. Step 3: Cross multiply
    215,670,257.40x = 323,505,386.10 × 154,448,254.20
  4. Step 4: Simplify right side
    215,670,257.40x = 49,964,842,107,441,944
  5. Step 5: Solve for x
    x = 49,964,842,107,441,944/215,670,257.40
  6. Step 6: Final answer
    x = 231,672,381.30

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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.