Home / 89,147,850.75-133,730,938.74-30,855,433.38

Finding the Fourth Proportional to 89,147,850.75, 133,730,938.74 and 30,855,433.38

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Solution

The fourth proportional to 89,147,850.75, 133,730,938.74 and 30,855,433.38 is: 46,286,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,147,850.75 : 133,730,938.74 = 30,855,433.38 : x
  2. Step 2: Convert to fraction form
    89,147,850.75/133,730,938.74 = 30,855,433.38/x
  3. Step 3: Cross multiply
    89,147,850.75x = 133,730,938.74 × 30,855,433.38
  4. Step 4: Simplify right side
    89,147,850.75x = 4,126,326,071,136,931
  5. Step 5: Solve for x
    x = 4,126,326,071,136,931/89,147,850.75
  6. Step 6: Final answer
    x = 46,286,321.39

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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.