Home / 57,971,818.69-86,971,963.88-28,839,403.33

Finding the Fourth Proportional to 57,971,818.69, 86,971,963.88 and 28,839,403.33

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Solution

The fourth proportional to 57,971,818.69, 86,971,963.88 and 28,839,403.33 is: 43,266,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971,818.69 : 86,971,963.88 = 28,839,403.33 : x
  2. Step 2: Convert to fraction form
    57,971,818.69/86,971,963.88 = 28,839,403.33/x
  3. Step 3: Cross multiply
    57,971,818.69x = 86,971,963.88 × 28,839,403.33
  4. Step 4: Simplify right side
    57,971,818.69x = 2,508,219,544,593,314.50
  5. Step 5: Solve for x
    x = 2,508,219,544,593,314.50/57,971,818.69
  6. Step 6: Final answer
    x = 43,266,186.94

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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.