Home / 90,874,629.60-136,311,944.40-76,525,722.60

Finding the Fourth Proportional to 90,874,629.60, 136,311,944.40 and 76,525,722.60

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Solution

The fourth proportional to 90,874,629.60, 136,311,944.40 and 76,525,722.60 is: 114,788,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,629.60 : 136,311,944.40 = 76,525,722.60 : x
  2. Step 2: Convert to fraction form
    90,874,629.60/136,311,944.40 = 76,525,722.60/x
  3. Step 3: Cross multiply
    90,874,629.60x = 136,311,944.40 × 76,525,722.60
  4. Step 4: Simplify right side
    90,874,629.60x = 10,431,370,044,221,024
  5. Step 5: Solve for x
    x = 10,431,370,044,221,024/90,874,629.60
  6. Step 6: Final answer
    x = 114,788,583.90

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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.