Home / 84,266,172.40-126,399,258.60-58,736,009.20

Finding the Fourth Proportional to 84,266,172.40, 126,399,258.60 and 58,736,009.20

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Solution

The fourth proportional to 84,266,172.40, 126,399,258.60 and 58,736,009.20 is: 88,104,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,266,172.40 : 126,399,258.60 = 58,736,009.20 : x
  2. Step 2: Convert to fraction form
    84,266,172.40/126,399,258.60 = 58,736,009.20/x
  3. Step 3: Cross multiply
    84,266,172.40x = 126,399,258.60 × 58,736,009.20
  4. Step 4: Simplify right side
    84,266,172.40x = 7,424,188,016,002,779
  5. Step 5: Solve for x
    x = 7,424,188,016,002,779/84,266,172.40
  6. Step 6: Final answer
    x = 88,104,013.80

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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.