Home / 53,263,063.92-79,917,612.38-28,642,213.62

Finding the Fourth Proportional to 53,263,063.92, 79,917,612.38 and 28,642,213.62

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Solution

The fourth proportional to 53,263,063.92, 79,917,612.38 and 28,642,213.62 is: 42,975,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,263,063.92 : 79,917,612.38 = 28,642,213.62 : x
  2. Step 2: Convert to fraction form
    53,263,063.92/79,917,612.38 = 28,642,213.62/x
  3. Step 3: Cross multiply
    53,263,063.92x = 79,917,612.38 × 28,642,213.62
  4. Step 4: Simplify right side
    53,263,063.92x = 2,289,017,325,788,316.50
  5. Step 5: Solve for x
    x = 2,289,017,325,788,316.50/53,263,063.92
  6. Step 6: Final answer
    x = 42,975,697.55

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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.