Home / 84,251,013.40-126,388,329.90-33,121,140.40

Finding the Fourth Proportional to 84,251,013.40, 126,388,329.90 and 33,121,140.40

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Solution

The fourth proportional to 84,251,013.40, 126,388,329.90 and 33,121,140.40 is: 49,686,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,013.40 : 126,388,329.90 = 33,121,140.40 : x
  2. Step 2: Convert to fraction form
    84,251,013.40/126,388,329.90 = 33,121,140.40/x
  3. Step 3: Cross multiply
    84,251,013.40x = 126,388,329.90 × 33,121,140.40
  4. Step 4: Simplify right side
    84,251,013.40x = 4,186,125,619,539,418
  5. Step 5: Solve for x
    x = 4,186,125,619,539,418/84,251,013.40
  6. Step 6: Final answer
    x = 49,686,353.32

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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.