Home / 90,717,083.88-125,191,641.10-51,552,689.64

Finding the Fourth Proportional to 90,717,083.88, 125,191,641.10 and 51,552,689.64

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Solution

The fourth proportional to 90,717,083.88, 125,191,641.10 and 51,552,689.64 is: 71,143,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717,083.88 : 125,191,641.10 = 51,552,689.64 : x
  2. Step 2: Convert to fraction form
    90,717,083.88/125,191,641.10 = 51,552,689.64/x
  3. Step 3: Cross multiply
    90,717,083.88x = 125,191,641.10 × 51,552,689.64
  4. Step 4: Simplify right side
    90,717,083.88x = 6,453,965,819,150,568
  5. Step 5: Solve for x
    x = 6,453,965,819,150,568/90,717,083.88
  6. Step 6: Final answer
    x = 71,143,885.40

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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.