Home / 101,659,067.20-140,290,600.08-55,249,323.40

Finding the Fourth Proportional to 101,659,067.20, 140,290,600.08 and 55,249,323.40

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Solution

The fourth proportional to 101,659,067.20, 140,290,600.08 and 55,249,323.40 is: 76,244,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,659,067.20 : 140,290,600.08 = 55,249,323.40 : x
  2. Step 2: Convert to fraction form
    101,659,067.20/140,290,600.08 = 55,249,323.40/x
  3. Step 3: Cross multiply
    101,659,067.20x = 140,290,600.08 × 55,249,323.40
  4. Step 4: Simplify right side
    101,659,067.20x = 7,750,960,733,799,986
  5. Step 5: Solve for x
    x = 7,750,960,733,799,986/101,659,067.20
  6. Step 6: Final answer
    x = 76,244,657.24

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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.