Home / 106,445,512.40-159,668,268.60-72,433,288.40

Finding the Fourth Proportional to 106,445,512.40, 159,668,268.60 and 72,433,288.40

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Solution

The fourth proportional to 106,445,512.40, 159,668,268.60 and 72,433,288.40 is: 108,649,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445,512.40 : 159,668,268.60 = 72,433,288.40 : x
  2. Step 2: Convert to fraction form
    106,445,512.40/159,668,268.60 = 72,433,288.40/x
  3. Step 3: Cross multiply
    106,445,512.40x = 159,668,268.60 × 72,433,288.40
  4. Step 4: Simplify right side
    106,445,512.40x = 11,565,297,747,832,464
  5. Step 5: Solve for x
    x = 11,565,297,747,832,464/106,445,512.40
  6. Step 6: Final answer
    x = 108,649,932.60

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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.