Home / 59,702,908.68-89,575,910.10-20,847,087.72

Finding the Fourth Proportional to 59,702,908.68, 89,575,910.10 and 20,847,087.72

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Solution

The fourth proportional to 59,702,908.68, 89,575,910.10 and 20,847,087.72 is: 31,278,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,702,908.68 : 89,575,910.10 = 20,847,087.72 : x
  2. Step 2: Convert to fraction form
    59,702,908.68/89,575,910.10 = 20,847,087.72/x
  3. Step 3: Cross multiply
    59,702,908.68x = 89,575,910.10 × 20,847,087.72
  4. Step 4: Simplify right side
    59,702,908.68x = 1,867,396,855,453,533.75
  5. Step 5: Solve for x
    x = 1,867,396,855,453,533.75/59,702,908.68
  6. Step 6: Final answer
    x = 31,278,155.40

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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.