Home / 83,393,669.42-115,083,064.82-45,716,766.88

Finding the Fourth Proportional to 83,393,669.42, 115,083,064.82 and 45,716,766.88

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Solution

The fourth proportional to 83,393,669.42, 115,083,064.82 and 45,716,766.88 is: 63,089,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,393,669.42 : 115,083,064.82 = 45,716,766.88 : x
  2. Step 2: Convert to fraction form
    83,393,669.42/115,083,064.82 = 45,716,766.88/x
  3. Step 3: Cross multiply
    83,393,669.42x = 115,083,064.82 × 45,716,766.88
  4. Step 4: Simplify right side
    83,393,669.42x = 5,261,225,646,211,869
  5. Step 5: Solve for x
    x = 5,261,225,646,211,869/83,393,669.42
  6. Step 6: Final answer
    x = 63,089,029.21

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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.