Home / 124,523,728.80-186,281,708.40-109,407,184.80

Finding the Fourth Proportional to 124,523,728.80, 186,281,708.40 and 109,407,184.80

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Solution

The fourth proportional to 124,523,728.80, 186,281,708.40 and 109,407,184.80 is: 163,668,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,523,728.80 : 186,281,708.40 = 109,407,184.80 : x
  2. Step 2: Convert to fraction form
    124,523,728.80/186,281,708.40 = 109,407,184.80/x
  3. Step 3: Cross multiply
    124,523,728.80x = 186,281,708.40 × 109,407,184.80
  4. Step 4: Simplify right side
    124,523,728.80x = 20,380,557,295,778,512
  5. Step 5: Solve for x
    x = 20,380,557,295,778,512/124,523,728.80
  6. Step 6: Final answer
    x = 163,668,061.44

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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.