Home / 68,804,010.40-103,206,015.60-65,615,364.40

Finding the Fourth Proportional to 68,804,010.40, 103,206,015.60 and 65,615,364.40

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Solution

The fourth proportional to 68,804,010.40, 103,206,015.60 and 65,615,364.40 is: 98,423,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,804,010.40 : 103,206,015.60 = 65,615,364.40 : x
  2. Step 2: Convert to fraction form
    68,804,010.40/103,206,015.60 = 65,615,364.40/x
  3. Step 3: Cross multiply
    68,804,010.40x = 103,206,015.60 × 65,615,364.40
  4. Step 4: Simplify right side
    68,804,010.40x = 6,771,900,321,866,084
  5. Step 5: Solve for x
    x = 6,771,900,321,866,084/68,804,010.40
  6. Step 6: Final answer
    x = 98,423,046.60

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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.