Home / 55,191,662.83-76,167,839.01-30,411,819.69

Finding the Fourth Proportional to 55,191,662.83, 76,167,839.01 and 30,411,819.69

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Solution

The fourth proportional to 55,191,662.83, 76,167,839.01 and 30,411,819.69 is: 41,970,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191,662.83 : 76,167,839.01 = 30,411,819.69 : x
  2. Step 2: Convert to fraction form
    55,191,662.83/76,167,839.01 = 30,411,819.69/x
  3. Step 3: Cross multiply
    55,191,662.83x = 76,167,839.01 × 30,411,819.69
  4. Step 4: Simplify right side
    55,191,662.83x = 2,316,402,586,229,739
  5. Step 5: Solve for x
    x = 2,316,402,586,229,739/55,191,662.83
  6. Step 6: Final answer
    x = 41,970,153.96

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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.