Home / 90,874,610.10-136,311,915.15-76,525,703.10

Finding the Fourth Proportional to 90,874,610.10, 136,311,915.15 and 76,525,703.10

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Solution

The fourth proportional to 90,874,610.10, 136,311,915.15 and 76,525,703.10 is: 114,788,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,610.10 : 136,311,915.15 = 76,525,703.10 : x
  2. Step 2: Convert to fraction form
    90,874,610.10/136,311,915.15 = 76,525,703.10/x
  3. Step 3: Cross multiply
    90,874,610.10x = 136,311,915.15 × 76,525,703.10
  4. Step 4: Simplify right side
    90,874,610.10x = 10,431,365,147,761,292
  5. Step 5: Solve for x
    x = 10,431,365,147,761,292/90,874,610.10
  6. Step 6: Final answer
    x = 114,788,554.65

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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.