Home / 83,014,360.20-124,185,617.10-72,936,664.20

Finding the Fourth Proportional to 83,014,360.20, 124,185,617.10 and 72,936,664.20

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Solution

The fourth proportional to 83,014,360.20, 124,185,617.10 and 72,936,664.20 is: 109,109,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,014,360.20 : 124,185,617.10 = 72,936,664.20 : x
  2. Step 2: Convert to fraction form
    83,014,360.20/124,185,617.10 = 72,936,664.20/x
  3. Step 3: Cross multiply
    83,014,360.20x = 124,185,617.10 × 72,936,664.20
  4. Step 4: Simplify right side
    83,014,360.20x = 9,057,684,652,892,478
  5. Step 5: Solve for x
    x = 9,057,684,652,892,478/83,014,360.20
  6. Step 6: Final answer
    x = 109,109,853.18

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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.