Home / 53,001,214.20-79,403,843.70-30,214,423.80

Finding the Fourth Proportional to 53,001,214.20, 79,403,843.70 and 30,214,423.80

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Solution

The fourth proportional to 53,001,214.20, 79,403,843.70 and 30,214,423.80 is: 45,265,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001,214.20 : 79,403,843.70 = 30,214,423.80 : x
  2. Step 2: Convert to fraction form
    53,001,214.20/79,403,843.70 = 30,214,423.80/x
  3. Step 3: Cross multiply
    53,001,214.20x = 79,403,843.70 × 30,214,423.80
  4. Step 4: Simplify right side
    53,001,214.20x = 2,399,141,384,900,760
  5. Step 5: Solve for x
    x = 2,399,141,384,900,760/53,001,214.20
  6. Step 6: Final answer
    x = 45,265,781.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.