Home / 91,641,566.20-137,621,781.60-48,594,845.20

Finding the Fourth Proportional to 91,641,566.20, 137,621,781.60 and 48,594,845.20

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Solution

The fourth proportional to 91,641,566.20, 137,621,781.60 and 48,594,845.20 is: 72,976,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,641,566.20 : 137,621,781.60 = 48,594,845.20 : x
  2. Step 2: Convert to fraction form
    91,641,566.20/137,621,781.60 = 48,594,845.20/x
  3. Step 3: Cross multiply
    91,641,566.20x = 137,621,781.60 × 48,594,845.20
  4. Step 4: Simplify right side
    91,641,566.20x = 6,687,709,173,000,208
  5. Step 5: Solve for x
    x = 6,687,709,173,000,208/91,641,566.20
  6. Step 6: Final answer
    x = 72,976,810.09

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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.