Home / 71,032,406,107.68-98,012,261,727.28-40,534,665,213.60

Finding the Fourth Proportional to 71,032,406,107.68, 98,012,261,727.28 and 40,534,665,213.60

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Solution

The fourth proportional to 71,032,406,107.68, 98,012,261,727.28 and 40,534,665,213.60 is: 55,930,728,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032,406,107.68 : 98,012,261,727.28 = 40,534,665,213.60 : x
  2. Step 2: Convert to fraction form
    71,032,406,107.68/98,012,261,727.28 = 40,534,665,213.60/x
  3. Step 3: Cross multiply
    71,032,406,107.68x = 98,012,261,727.28 × 40,534,665,213.60
  4. Step 4: Simplify right side
    71,032,406,107.68x = 3,972,894,215,943,035,027,456
  5. Step 5: Solve for x
    x = 3,972,894,215,943,035,027,456/71,032,406,107.68
  6. Step 6: Final answer
    x = 55,930,728,432.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.