Home / 170,121,833.10-255,014,788.05-83,789,570.70

Finding the Fourth Proportional to 170,121,833.10, 255,014,788.05 and 83,789,570.70

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Solution

The fourth proportional to 170,121,833.10, 255,014,788.05 and 83,789,570.70 is: 125,601,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,121,833.10 : 255,014,788.05 = 83,789,570.70 : x
  2. Step 2: Convert to fraction form
    170,121,833.10/255,014,788.05 = 83,789,570.70/x
  3. Step 3: Cross multiply
    170,121,833.10x = 255,014,788.05 × 83,789,570.70
  4. Step 4: Simplify right side
    170,121,833.10x = 21,367,579,612,860,992
  5. Step 5: Solve for x
    x = 21,367,579,612,860,992/170,121,833.10
  6. Step 6: Final answer
    x = 125,601,630.45

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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.