Home / 91,743,167.41-137,546,015.07-55,343,072.93

Finding the Fourth Proportional to 91,743,167.41, 137,546,015.07 and 55,343,072.93

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Solution

The fourth proportional to 91,743,167.41, 137,546,015.07 and 55,343,072.93 is: 82,973,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743,167.41 : 137,546,015.07 = 55,343,072.93 : x
  2. Step 2: Convert to fraction form
    91,743,167.41/137,546,015.07 = 55,343,072.93/x
  3. Step 3: Cross multiply
    91,743,167.41x = 137,546,015.07 × 55,343,072.93
  4. Step 4: Simplify right side
    91,743,167.41x = 7,612,219,143,232,363
  5. Step 5: Solve for x
    x = 7,612,219,143,232,363/91,743,167.41
  6. Step 6: Final answer
    x = 82,973,145.12

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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.