Home / 72,241,304.10-108,538,903.35-54,325,400.10

Finding the Fourth Proportional to 72,241,304.10, 108,538,903.35 and 54,325,400.10

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Solution

The fourth proportional to 72,241,304.10, 108,538,903.35 and 54,325,400.10 is: 81,621,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,241,304.10 : 108,538,903.35 = 54,325,400.10 : x
  2. Step 2: Convert to fraction form
    72,241,304.10/108,538,903.35 = 54,325,400.10/x
  3. Step 3: Cross multiply
    72,241,304.10x = 108,538,903.35 × 54,325,400.10
  4. Step 4: Simplify right side
    72,241,304.10x = 5,896,419,350,903,980
  5. Step 5: Solve for x
    x = 5,896,419,350,903,980/72,241,304.10
  6. Step 6: Final answer
    x = 81,621,164.30

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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.