Home / 51,916,791.68-77,820,271.68-19,554,691.52

Finding the Fourth Proportional to 51,916,791.68, 77,820,271.68 and 19,554,691.52

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Solution

The fourth proportional to 51,916,791.68, 77,820,271.68 and 19,554,691.52 is: 29,311,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916,791.68 : 77,820,271.68 = 19,554,691.52 : x
  2. Step 2: Convert to fraction form
    51,916,791.68/77,820,271.68 = 19,554,691.52/x
  3. Step 3: Cross multiply
    51,916,791.68x = 77,820,271.68 × 19,554,691.52
  4. Step 4: Simplify right side
    51,916,791.68x = 1,521,751,406,704,992.25
  5. Step 5: Solve for x
    x = 1,521,751,406,704,992.25/51,916,791.68
  6. Step 6: Final answer
    x = 29,311,352.98

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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.