Home / 84,251,014.40-126,388,331.40-33,121,141.40

Finding the Fourth Proportional to 84,251,014.40, 126,388,331.40 and 33,121,141.40

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Solution

The fourth proportional to 84,251,014.40, 126,388,331.40 and 33,121,141.40 is: 49,686,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,014.40 : 126,388,331.40 = 33,121,141.40 : x
  2. Step 2: Convert to fraction form
    84,251,014.40/126,388,331.40 = 33,121,141.40/x
  3. Step 3: Cross multiply
    84,251,014.40x = 126,388,331.40 × 33,121,141.40
  4. Step 4: Simplify right side
    84,251,014.40x = 4,186,125,795,609,460
  5. Step 5: Solve for x
    x = 4,186,125,795,609,460/84,251,014.40
  6. Step 6: Final answer
    x = 49,686,354.82

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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.