Home / 307,778,645.11-461,668,886.19-74,608,432.51

Finding the Fourth Proportional to 307,778,645.11, 461,668,886.19 and 74,608,432.51

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Solution

The fourth proportional to 307,778,645.11, 461,668,886.19 and 74,608,432.51 is: 111,912,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,778,645.11 : 461,668,886.19 = 74,608,432.51 : x
  2. Step 2: Convert to fraction form
    307,778,645.11/461,668,886.19 = 74,608,432.51/x
  3. Step 3: Cross multiply
    307,778,645.11x = 461,668,886.19 × 74,608,432.51
  4. Step 4: Simplify right side
    307,778,645.11x = 34,444,391,937,273,488
  5. Step 5: Solve for x
    x = 34,444,391,937,273,488/307,778,645.11
  6. Step 6: Final answer
    x = 111,912,871.42

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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.