Home / 55,404,407.89-76,456,748.23-30,285,400.69

Finding the Fourth Proportional to 55,404,407.89, 76,456,748.23 and 30,285,400.69

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Solution

The fourth proportional to 55,404,407.89, 76,456,748.23 and 30,285,400.69 is: 41,793,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404,407.89 : 76,456,748.23 = 30,285,400.69 : x
  2. Step 2: Convert to fraction form
    55,404,407.89/76,456,748.23 = 30,285,400.69/x
  3. Step 3: Cross multiply
    55,404,407.89x = 76,456,748.23 × 30,285,400.69
  4. Step 4: Simplify right side
    55,404,407.89x = 2,315,523,255,599,998.50
  5. Step 5: Solve for x
    x = 2,315,523,255,599,998.50/55,404,407.89
  6. Step 6: Final answer
    x = 41,793,123.40

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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.