Home / 73,287,426.40-109,923,266.40-19,434,738.40

Finding the Fourth Proportional to 73,287,426.40, 109,923,266.40 and 19,434,738.40

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Solution

The fourth proportional to 73,287,426.40, 109,923,266.40 and 19,434,738.40 is: 29,150,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287,426.40 : 109,923,266.40 = 19,434,738.40 : x
  2. Step 2: Convert to fraction form
    73,287,426.40/109,923,266.40 = 19,434,738.40/x
  3. Step 3: Cross multiply
    73,287,426.40x = 109,923,266.40 × 19,434,738.40
  4. Step 4: Simplify right side
    73,287,426.40x = 2,136,329,926,557,509.75
  5. Step 5: Solve for x
    x = 2,136,329,926,557,509.75/73,287,426.40
  6. Step 6: Final answer
    x = 29,150,019.74

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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.