Home / 86,992,027.91-120,053,308.98-53,962,920.55

Finding the Fourth Proportional to 86,992,027.91, 120,053,308.98 and 53,962,920.55

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Solution

The fourth proportional to 86,992,027.91, 120,053,308.98 and 53,962,920.55 is: 74,471,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,992,027.91 : 120,053,308.98 = 53,962,920.55 : x
  2. Step 2: Convert to fraction form
    86,992,027.91/120,053,308.98 = 53,962,920.55/x
  3. Step 3: Cross multiply
    86,992,027.91x = 120,053,308.98 × 53,962,920.55
  4. Step 4: Simplify right side
    86,992,027.91x = 6,478,427,174,252,341
  5. Step 5: Solve for x
    x = 6,478,427,174,252,341/86,992,027.91
  6. Step 6: Final answer
    x = 74,471,504.23

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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.