Home / 87,176,119-120,303,044.24-50,527,947.64

Finding the Fourth Proportional to 87,176,119, 120,303,044.24 and 50,527,947.64

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Solution

The fourth proportional to 87,176,119, 120,303,044.24 and 50,527,947.64 is: 69,728,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176,119 : 120,303,044.24 = 50,527,947.64 : x
  2. Step 2: Convert to fraction form
    87,176,119/120,303,044.24 = 50,527,947.64/x
  3. Step 3: Cross multiply
    87,176,119x = 120,303,044.24 × 50,527,947.64
  4. Step 4: Simplify right side
    87,176,119x = 6,078,665,920,291,323
  5. Step 5: Solve for x
    x = 6,078,665,920,291,323/87,176,119
  6. Step 6: Final answer
    x = 69,728,567.75

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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.