Home / 111,931,815.24-154,531,447.38-73,367,831.88

Finding the Fourth Proportional to 111,931,815.24, 154,531,447.38 and 73,367,831.88

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Solution

The fourth proportional to 111,931,815.24, 154,531,447.38 and 73,367,831.88 is: 101,290,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,931,815.24 : 154,531,447.38 = 73,367,831.88 : x
  2. Step 2: Convert to fraction form
    111,931,815.24/154,531,447.38 = 73,367,831.88/x
  3. Step 3: Cross multiply
    111,931,815.24x = 154,531,447.38 × 73,367,831.88
  4. Step 4: Simplify right side
    111,931,815.24x = 11,337,637,251,548,906
  5. Step 5: Solve for x
    x = 11,337,637,251,548,906/111,931,815.24
  6. Step 6: Final answer
    x = 101,290,568.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.