Home / 57,971,821.69-86,971,968.38-28,839,406.33

Finding the Fourth Proportional to 57,971,821.69, 86,971,968.38 and 28,839,406.33

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Solution

The fourth proportional to 57,971,821.69, 86,971,968.38 and 28,839,406.33 is: 43,266,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971,821.69 : 86,971,968.38 = 28,839,406.33 : x
  2. Step 2: Convert to fraction form
    57,971,821.69/86,971,968.38 = 28,839,406.33/x
  3. Step 3: Cross multiply
    57,971,821.69x = 86,971,968.38 × 28,839,406.33
  4. Step 4: Simplify right side
    57,971,821.69x = 2,508,219,935,430,731.50
  5. Step 5: Solve for x
    x = 2,508,219,935,430,731.50/57,971,821.69
  6. Step 6: Final answer
    x = 43,266,191.44

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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.