Home / 83,308,832.81-125,043,851.51-40,208,377.22

Finding the Fourth Proportional to 83,308,832.81, 125,043,851.51 and 40,208,377.22

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Solution

The fourth proportional to 83,308,832.81, 125,043,851.51 and 40,208,377.22 is: 60,351,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,308,832.81 : 125,043,851.51 = 40,208,377.22 : x
  2. Step 2: Convert to fraction form
    83,308,832.81/125,043,851.51 = 40,208,377.22/x
  3. Step 3: Cross multiply
    83,308,832.81x = 125,043,851.51 × 40,208,377.22
  4. Step 4: Simplify right side
    83,308,832.81x = 5,027,810,349,729,486
  5. Step 5: Solve for x
    x = 5,027,810,349,729,486/83,308,832.81
  6. Step 6: Final answer
    x = 60,351,467.91

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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.