Home / 83,984,114.90-125,957,266.95-30,131,426.90

Finding the Fourth Proportional to 83,984,114.90, 125,957,266.95 and 30,131,426.90

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Solution

The fourth proportional to 83,984,114.90, 125,957,266.95 and 30,131,426.90 is: 45,190,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,114.90 : 125,957,266.95 = 30,131,426.90 : x
  2. Step 2: Convert to fraction form
    83,984,114.90/125,957,266.95 = 30,131,426.90/x
  3. Step 3: Cross multiply
    83,984,114.90x = 125,957,266.95 × 30,131,426.90
  4. Step 4: Simplify right side
    83,984,114.90x = 3,795,272,181,627,711
  5. Step 5: Solve for x
    x = 3,795,272,181,627,711/83,984,114.90
  6. Step 6: Final answer
    x = 45,190,357.56

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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.