Home / 76,598,067.70-105,705,189.48-41,790,781.72

Finding the Fourth Proportional to 76,598,067.70, 105,705,189.48 and 41,790,781.72

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Solution

The fourth proportional to 76,598,067.70, 105,705,189.48 and 41,790,781.72 is: 57,671,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,598,067.70 : 105,705,189.48 = 41,790,781.72 : x
  2. Step 2: Convert to fraction form
    76,598,067.70/105,705,189.48 = 41,790,781.72/x
  3. Step 3: Cross multiply
    76,598,067.70x = 105,705,189.48 × 41,790,781.72
  4. Step 4: Simplify right side
    76,598,067.70x = 4,417,502,500,229,920.50
  5. Step 5: Solve for x
    x = 4,417,502,500,229,920.50/76,598,067.70
  6. Step 6: Final answer
    x = 57,671,200.24

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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.