Home / 106,084,812.20-159,127,218.30-80,575,644.20

Finding the Fourth Proportional to 106,084,812.20, 159,127,218.30 and 80,575,644.20

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Solution

The fourth proportional to 106,084,812.20, 159,127,218.30 and 80,575,644.20 is: 120,863,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,084,812.20 : 159,127,218.30 = 80,575,644.20 : x
  2. Step 2: Convert to fraction form
    106,084,812.20/159,127,218.30 = 80,575,644.20/x
  3. Step 3: Cross multiply
    106,084,812.20x = 159,127,218.30 × 80,575,644.20
  4. Step 4: Simplify right side
    106,084,812.20x = 12,821,778,124,276,530
  5. Step 5: Solve for x
    x = 12,821,778,124,276,530/106,084,812.20
  6. Step 6: Final answer
    x = 120,863,466.30

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1.5x scale

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.