Home / 84,251,015.40-126,388,332.90-33,121,142.40

Finding the Fourth Proportional to 84,251,015.40, 126,388,332.90 and 33,121,142.40

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Solution

The fourth proportional to 84,251,015.40, 126,388,332.90 and 33,121,142.40 is: 49,686,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,015.40 : 126,388,332.90 = 33,121,142.40 : x
  2. Step 2: Convert to fraction form
    84,251,015.40/126,388,332.90 = 33,121,142.40/x
  3. Step 3: Cross multiply
    84,251,015.40x = 126,388,332.90 × 33,121,142.40
  4. Step 4: Simplify right side
    84,251,015.40x = 4,186,125,971,679,505
  5. Step 5: Solve for x
    x = 4,186,125,971,679,505/84,251,015.40
  6. Step 6: Final answer
    x = 49,686,356.32

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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.