Home / 105,003,012.20-157,504,518.30-68,723,306.60

Finding the Fourth Proportional to 105,003,012.20, 157,504,518.30 and 68,723,306.60

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Solution

The fourth proportional to 105,003,012.20, 157,504,518.30 and 68,723,306.60 is: 103,084,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003,012.20 : 157,504,518.30 = 68,723,306.60 : x
  2. Step 2: Convert to fraction form
    105,003,012.20/157,504,518.30 = 68,723,306.60/x
  3. Step 3: Cross multiply
    105,003,012.20x = 157,504,518.30 × 68,723,306.60
  4. Step 4: Simplify right side
    105,003,012.20x = 10,824,231,302,016,210
  5. Step 5: Solve for x
    x = 10,824,231,302,016,210/105,003,012.20
  6. Step 6: Final answer
    x = 103,084,959.90

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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.