Home / 146,794,435.71-220,046,209.26-68,931,958.20

Finding the Fourth Proportional to 146,794,435.71, 220,046,209.26 and 68,931,958.20

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Solution

The fourth proportional to 146,794,435.71, 220,046,209.26 and 68,931,958.20 is: 103,329,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,794,435.71 : 220,046,209.26 = 68,931,958.20 : x
  2. Step 2: Convert to fraction form
    146,794,435.71/220,046,209.26 = 68,931,958.20/x
  3. Step 3: Cross multiply
    146,794,435.71x = 220,046,209.26 × 68,931,958.20
  4. Step 4: Simplify right side
    146,794,435.71x = 15,168,216,099,320,952
  5. Step 5: Solve for x
    x = 15,168,216,099,320,952/146,794,435.71
  6. Step 6: Final answer
    x = 103,329,639.34

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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.