Home / 75,320,067.18-112,980,100.77-21,465,979.50

Finding the Fourth Proportional to 75,320,067.18, 112,980,100.77 and 21,465,979.50

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Solution

The fourth proportional to 75,320,067.18, 112,980,100.77 and 21,465,979.50 is: 32,198,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320,067.18 : 112,980,100.77 = 21,465,979.50 : x
  2. Step 2: Convert to fraction form
    75,320,067.18/112,980,100.77 = 21,465,979.50/x
  3. Step 3: Cross multiply
    75,320,067.18x = 112,980,100.77 × 21,465,979.50
  4. Step 4: Simplify right side
    75,320,067.18x = 2,425,228,527,036,754
  5. Step 5: Solve for x
    x = 2,425,228,527,036,754/75,320,067.18
  6. Step 6: Final answer
    x = 32,198,969.25

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1.5x scale

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.