Home / 53,236,132.20-79,889,627.70-30,207,022.20

Finding the Fourth Proportional to 53,236,132.20, 79,889,627.70 and 30,207,022.20

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Solution

The fourth proportional to 53,236,132.20, 79,889,627.70 and 30,207,022.20 is: 45,330,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236,132.20 : 79,889,627.70 = 30,207,022.20 : x
  2. Step 2: Convert to fraction form
    53,236,132.20/79,889,627.70 = 30,207,022.20/x
  3. Step 3: Cross multiply
    53,236,132.20x = 79,889,627.70 × 30,207,022.20
  4. Step 4: Simplify right side
    53,236,132.20x = 2,413,227,757,483,635
  5. Step 5: Solve for x
    x = 2,413,227,757,483,635/53,236,132.20
  6. Step 6: Final answer
    x = 45,330,636.50

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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.