Home / 84,623,454.45-126,936,158.96-25,536,346.79

Finding the Fourth Proportional to 84,623,454.45, 126,936,158.96 and 25,536,346.79

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Solution

The fourth proportional to 84,623,454.45, 126,936,158.96 and 25,536,346.79 is: 38,304,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,623,454.45 : 126,936,158.96 = 25,536,346.79 : x
  2. Step 2: Convert to fraction form
    84,623,454.45/126,936,158.96 = 25,536,346.79/x
  3. Step 3: Cross multiply
    84,623,454.45x = 126,936,158.96 × 25,536,346.79
  4. Step 4: Simplify right side
    84,623,454.45x = 3,241,485,776,035,967.50
  5. Step 5: Solve for x
    x = 3,241,485,776,035,967.50/84,623,454.45
  6. Step 6: Final answer
    x = 38,304,815.10

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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.