Home / 68,990,922.30-103,486,383.45-65,631,690.30

Finding the Fourth Proportional to 68,990,922.30, 103,486,383.45 and 65,631,690.30

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Solution

The fourth proportional to 68,990,922.30, 103,486,383.45 and 65,631,690.30 is: 98,447,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990,922.30 : 103,486,383.45 = 65,631,690.30 : x
  2. Step 2: Convert to fraction form
    68,990,922.30/103,486,383.45 = 65,631,690.30/x
  3. Step 3: Cross multiply
    68,990,922.30x = 103,486,383.45 × 65,631,690.30
  4. Step 4: Simplify right side
    68,990,922.30x = 6,791,986,268,857,445
  5. Step 5: Solve for x
    x = 6,791,986,268,857,445/68,990,922.30
  6. Step 6: Final answer
    x = 98,447,535.45

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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.