Home / 74,628,921.21-111,959,320.94-26,108,357.91

Finding the Fourth Proportional to 74,628,921.21, 111,959,320.94 and 26,108,357.91

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Solution

The fourth proportional to 74,628,921.21, 111,959,320.94 and 26,108,357.91 is: 39,168,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628,921.21 : 111,959,320.94 = 26,108,357.91 : x
  2. Step 2: Convert to fraction form
    74,628,921.21/111,959,320.94 = 26,108,357.91/x
  3. Step 3: Cross multiply
    74,628,921.21x = 111,959,320.94 × 26,108,357.91
  4. Step 4: Simplify right side
    74,628,921.21x = 2,923,074,022,009,594.50
  5. Step 5: Solve for x
    x = 2,923,074,022,009,594.50/74,628,921.21
  6. Step 6: Final answer
    x = 39,168,113.04

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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.