Home / 60,721,172.71-91,081,687.68-19,780,544.86

Finding the Fourth Proportional to 60,721,172.71, 91,081,687.68 and 19,780,544.86

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Solution

The fourth proportional to 60,721,172.71, 91,081,687.68 and 19,780,544.86 is: 29,670,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721,172.71 : 91,081,687.68 = 19,780,544.86 : x
  2. Step 2: Convert to fraction form
    60,721,172.71/91,081,687.68 = 19,780,544.86/x
  3. Step 3: Cross multiply
    60,721,172.71x = 91,081,687.68 × 19,780,544.86
  4. Step 4: Simplify right side
    60,721,172.71x = 1,801,645,408,851,045.50
  5. Step 5: Solve for x
    x = 1,801,645,408,851,045.50/60,721,172.71
  6. Step 6: Final answer
    x = 29,670,794.03

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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.