Home / 83,413,847.36-125,120,520.74-21,165,041.18

Finding the Fourth Proportional to 83,413,847.36, 125,120,520.74 and 21,165,041.18

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Solution

The fourth proportional to 83,413,847.36, 125,120,520.74 and 21,165,041.18 is: 31,747,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413,847.36 : 125,120,520.74 = 21,165,041.18 : x
  2. Step 2: Convert to fraction form
    83,413,847.36/125,120,520.74 = 21,165,041.18/x
  3. Step 3: Cross multiply
    83,413,847.36x = 125,120,520.74 × 21,165,041.18
  4. Step 4: Simplify right side
    83,413,847.36x = 2,648,180,973,925,144
  5. Step 5: Solve for x
    x = 2,648,180,973,925,144/83,413,847.36
  6. Step 6: Final answer
    x = 31,747,498.26

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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.