Home / 74,393,357.28-111,587,973.12-19,806,411.12

Finding the Fourth Proportional to 74,393,357.28, 111,587,973.12 and 19,806,411.12

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Solution

The fourth proportional to 74,393,357.28, 111,587,973.12 and 19,806,411.12 is: 29,709,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,393,357.28 : 111,587,973.12 = 19,806,411.12 : x
  2. Step 2: Convert to fraction form
    74,393,357.28/111,587,973.12 = 19,806,411.12/x
  3. Step 3: Cross multiply
    74,393,357.28x = 111,587,973.12 × 19,806,411.12
  4. Step 4: Simplify right side
    74,393,357.28x = 2,210,157,271,662,229.25
  5. Step 5: Solve for x
    x = 2,210,157,271,662,229.25/74,393,357.28
  6. Step 6: Final answer
    x = 29,709,067.48

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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.