Home / 91,562,766.40-137,344,149.60-84,547,745.20

Finding the Fourth Proportional to 91,562,766.40, 137,344,149.60 and 84,547,745.20

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Solution

The fourth proportional to 91,562,766.40, 137,344,149.60 and 84,547,745.20 is: 126,821,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562,766.40 : 137,344,149.60 = 84,547,745.20 : x
  2. Step 2: Convert to fraction form
    91,562,766.40/137,344,149.60 = 84,547,745.20/x
  3. Step 3: Cross multiply
    91,562,766.40x = 137,344,149.60 × 84,547,745.20
  4. Step 4: Simplify right side
    91,562,766.40x = 11,612,138,165,091,482
  5. Step 5: Solve for x
    x = 11,612,138,165,091,482/91,562,766.40
  6. Step 6: Final answer
    x = 126,821,617.80

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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.