Home / 86,992,026.91-120,053,307.60-53,962,919.55

Finding the Fourth Proportional to 86,992,026.91, 120,053,307.60 and 53,962,919.55

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Solution

The fourth proportional to 86,992,026.91, 120,053,307.60 and 53,962,919.55 is: 74,471,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,992,026.91 : 120,053,307.60 = 53,962,919.55 : x
  2. Step 2: Convert to fraction form
    86,992,026.91/120,053,307.60 = 53,962,919.55/x
  3. Step 3: Cross multiply
    86,992,026.91x = 120,053,307.60 × 53,962,919.55
  4. Step 4: Simplify right side
    86,992,026.91x = 6,478,426,979,730,203
  5. Step 5: Solve for x
    x = 6,478,426,979,730,203/86,992,026.91
  6. Step 6: Final answer
    x = 74,471,502.85

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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.