Home / 149,746,083.63-206,660,288.87-82,763,600.80

Finding the Fourth Proportional to 149,746,083.63, 206,660,288.87 and 82,763,600.80

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Solution

The fourth proportional to 149,746,083.63, 206,660,288.87 and 82,763,600.80 is: 114,219,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,746,083.63 : 206,660,288.87 = 82,763,600.80 : x
  2. Step 2: Convert to fraction form
    149,746,083.63/206,660,288.87 = 82,763,600.80/x
  3. Step 3: Cross multiply
    149,746,083.63x = 206,660,288.87 × 82,763,600.80
  4. Step 4: Simplify right side
    149,746,083.63x = 17,103,949,649,249,362
  5. Step 5: Solve for x
    x = 17,103,949,649,249,362/149,746,083.63
  6. Step 6: Final answer
    x = 114,219,679.30

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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.