Home / 178,544,651.64-267,409,227.65-85,237,257.51

Finding the Fourth Proportional to 178,544,651.64, 267,409,227.65 and 85,237,257.51

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Solution

The fourth proportional to 178,544,651.64, 267,409,227.65 and 85,237,257.51 is: 127,661,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,544,651.64 : 267,409,227.65 = 85,237,257.51 : x
  2. Step 2: Convert to fraction form
    178,544,651.64/267,409,227.65 = 85,237,257.51/x
  3. Step 3: Cross multiply
    178,544,651.64x = 267,409,227.65 × 85,237,257.51
  4. Step 4: Simplify right side
    178,544,651.64x = 22,793,229,197,327,080
  5. Step 5: Solve for x
    x = 22,793,229,197,327,080/178,544,651.64
  6. Step 6: Final answer
    x = 127,661,226.41

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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.