Home / 199,316,052.60-299,016,069.30-84,241,361.40

Finding the Fourth Proportional to 199,316,052.60, 299,016,069.30 and 84,241,361.40

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Solution

The fourth proportional to 199,316,052.60, 299,016,069.30 and 84,241,361.40 is: 126,379,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,316,052.60 : 299,016,069.30 = 84,241,361.40 : x
  2. Step 2: Convert to fraction form
    199,316,052.60/299,016,069.30 = 84,241,361.40/x
  3. Step 3: Cross multiply
    199,316,052.60x = 299,016,069.30 × 84,241,361.40
  4. Step 4: Simplify right side
    199,316,052.60x = 25,189,520,758,308,748
  5. Step 5: Solve for x
    x = 25,189,520,758,308,748/199,316,052.60
  6. Step 6: Final answer
    x = 126,379,789.43

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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.