Home / 68,787,196.48-103,245,440.16-36,021,283.52

Finding the Fourth Proportional to 68,787,196.48, 103,245,440.16 and 36,021,283.52

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Solution

The fourth proportional to 68,787,196.48, 103,245,440.16 and 36,021,283.52 is: 54,065,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,787,196.48 : 103,245,440.16 = 36,021,283.52 : x
  2. Step 2: Convert to fraction form
    68,787,196.48/103,245,440.16 = 36,021,283.52/x
  3. Step 3: Cross multiply
    68,787,196.48x = 103,245,440.16 × 36,021,283.52
  4. Step 4: Simplify right side
    68,787,196.48x = 3,719,033,272,150,554.50
  5. Step 5: Solve for x
    x = 3,719,033,272,150,554.50/68,787,196.48
  6. Step 6: Final answer
    x = 54,065,777.68

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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.