Home / 130,409,067.40-195,613,601.10-69,942,891.40

Finding the Fourth Proportional to 130,409,067.40, 195,613,601.10 and 69,942,891.40

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Solution

The fourth proportional to 130,409,067.40, 195,613,601.10 and 69,942,891.40 is: 104,914,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,067.40 : 195,613,601.10 = 69,942,891.40 : x
  2. Step 2: Convert to fraction form
    130,409,067.40/195,613,601.10 = 69,942,891.40/x
  3. Step 3: Cross multiply
    130,409,067.40x = 195,613,601.10 × 69,942,891.40
  4. Step 4: Simplify right side
    130,409,067.40x = 13,681,780,858,100,222
  5. Step 5: Solve for x
    x = 13,681,780,858,100,222/130,409,067.40
  6. Step 6: Final answer
    x = 104,914,337.10

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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.