Home / 149,746,084.13-206,660,289.56-82,763,601.29

Finding the Fourth Proportional to 149,746,084.13, 206,660,289.56 and 82,763,601.29

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Solution

The fourth proportional to 149,746,084.13, 206,660,289.56 and 82,763,601.29 is: 114,219,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,746,084.13 : 206,660,289.56 = 82,763,601.29 : x
  2. Step 2: Convert to fraction form
    149,746,084.13/206,660,289.56 = 82,763,601.29/x
  3. Step 3: Cross multiply
    149,746,084.13x = 206,660,289.56 × 82,763,601.29
  4. Step 4: Simplify right side
    149,746,084.13x = 17,103,949,807,619,792
  5. Step 5: Solve for x
    x = 17,103,949,807,619,792/149,746,084.13
  6. Step 6: Final answer
    x = 114,219,679.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.