Home / 57,448,009.30-79,278,162.06-31,342,529.44

Finding the Fourth Proportional to 57,448,009.30, 79,278,162.06 and 31,342,529.44

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Solution

The fourth proportional to 57,448,009.30, 79,278,162.06 and 31,342,529.44 is: 43,252,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,009.30 : 79,278,162.06 = 31,342,529.44 : x
  2. Step 2: Convert to fraction form
    57,448,009.30/79,278,162.06 = 31,342,529.44/x
  3. Step 3: Cross multiply
    57,448,009.30x = 79,278,162.06 × 31,342,529.44
  4. Step 4: Simplify right side
    57,448,009.30x = 2,484,778,128,314,641
  5. Step 5: Solve for x
    x = 2,484,778,128,314,641/57,448,009.30
  6. Step 6: Final answer
    x = 43,252,641.10

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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.