Home / 68,986,057.43-103,506,691.55-28,048,643.26

Finding the Fourth Proportional to 68,986,057.43, 103,506,691.55 and 28,048,643.26

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Solution

The fourth proportional to 68,986,057.43, 103,506,691.55 and 28,048,643.26 is: 42,084,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986,057.43 : 103,506,691.55 = 28,048,643.26 : x
  2. Step 2: Convert to fraction form
    68,986,057.43/103,506,691.55 = 28,048,643.26/x
  3. Step 3: Cross multiply
    68,986,057.43x = 103,506,691.55 × 28,048,643.26
  4. Step 4: Simplify right side
    68,986,057.43x = 2,903,222,266,308,806.50
  5. Step 5: Solve for x
    x = 2,903,222,266,308,806.50/68,986,057.43
  6. Step 6: Final answer
    x = 42,084,188.81

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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.