Home / 42,651,148.77-58,797,367.97-30,406,748.13

Finding the Fourth Proportional to 42,651,148.77, 58,797,367.97 and 30,406,748.13

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Solution

The fourth proportional to 42,651,148.77, 58,797,367.97 and 30,406,748.13 is: 41,917,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651,148.77 : 58,797,367.97 = 30,406,748.13 : x
  2. Step 2: Convert to fraction form
    42,651,148.77/58,797,367.97 = 30,406,748.13/x
  3. Step 3: Cross multiply
    42,651,148.77x = 58,797,367.97 × 30,406,748.13
  4. Step 4: Simplify right side
    42,651,148.77x = 1,787,836,758,418,685.75
  5. Step 5: Solve for x
    x = 1,787,836,758,418,685.75/42,651,148.77
  6. Step 6: Final answer
    x = 41,917,669.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.