Home / 68,819,842.02-103,247,477.70-20,295,735.78

Finding the Fourth Proportional to 68,819,842.02, 103,247,477.70 and 20,295,735.78

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Solution

The fourth proportional to 68,819,842.02, 103,247,477.70 and 20,295,735.78 is: 30,448,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819,842.02 : 103,247,477.70 = 20,295,735.78 : x
  2. Step 2: Convert to fraction form
    68,819,842.02/103,247,477.70 = 20,295,735.78/x
  3. Step 3: Cross multiply
    68,819,842.02x = 103,247,477.70 × 20,295,735.78
  4. Step 4: Simplify right side
    68,819,842.02x = 2,095,483,527,350,642.25
  5. Step 5: Solve for x
    x = 2,095,483,527,350,642.25/68,819,842.02
  6. Step 6: Final answer
    x = 30,448,827.92

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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.