Home / 90,222,467.20-124,507,146-48,969,376.72

Finding the Fourth Proportional to 90,222,467.20, 124,507,146 and 48,969,376.72

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Solution

The fourth proportional to 90,222,467.20, 124,507,146 and 48,969,376.72 is: 67,577,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222,467.20 : 124,507,146 = 48,969,376.72 : x
  2. Step 2: Convert to fraction form
    90,222,467.20/124,507,146 = 48,969,376.72/x
  3. Step 3: Cross multiply
    90,222,467.20x = 124,507,146 × 48,969,376.72
  4. Step 4: Simplify right side
    90,222,467.20x = 6,097,037,336,806,041
  5. Step 5: Solve for x
    x = 6,097,037,336,806,041/90,222,467.20
  6. Step 6: Final answer
    x = 67,577,816.55

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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.