Home / 86,992,027.41-120,053,308.29-53,962,920.05

Finding the Fourth Proportional to 86,992,027.41, 120,053,308.29 and 53,962,920.05

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Solution

The fourth proportional to 86,992,027.41, 120,053,308.29 and 53,962,920.05 is: 74,471,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,992,027.41 : 120,053,308.29 = 53,962,920.05 : x
  2. Step 2: Convert to fraction form
    86,992,027.41/120,053,308.29 = 53,962,920.05/x
  3. Step 3: Cross multiply
    86,992,027.41x = 120,053,308.29 × 53,962,920.05
  4. Step 4: Simplify right side
    86,992,027.41x = 6,478,427,076,991,272
  5. Step 5: Solve for x
    x = 6,478,427,076,991,272/86,992,027.41
  6. Step 6: Final answer
    x = 74,471,503.54

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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.