Home / 140,465,956.32-210,279,144.54-84,965,831.22

Finding the Fourth Proportional to 140,465,956.32, 210,279,144.54 and 84,965,831.22

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Solution

The fourth proportional to 140,465,956.32, 210,279,144.54 and 84,965,831.22 is: 127,194,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465,956.32 : 210,279,144.54 = 84,965,831.22 : x
  2. Step 2: Convert to fraction form
    140,465,956.32/210,279,144.54 = 84,965,831.22/x
  3. Step 3: Cross multiply
    140,465,956.32x = 210,279,144.54 × 84,965,831.22
  4. Step 4: Simplify right side
    140,465,956.32x = 17,866,542,304,071,624
  5. Step 5: Solve for x
    x = 17,866,542,304,071,624/140,465,956.32
  6. Step 6: Final answer
    x = 127,194,821.95

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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.