Home / 53,221,331.20-79,831,996.80-36,215,219.20

Finding the Fourth Proportional to 53,221,331.20, 79,831,996.80 and 36,215,219.20

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Solution

The fourth proportional to 53,221,331.20, 79,831,996.80 and 36,215,219.20 is: 54,322,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221,331.20 : 79,831,996.80 = 36,215,219.20 : x
  2. Step 2: Convert to fraction form
    53,221,331.20/79,831,996.80 = 36,215,219.20/x
  3. Step 3: Cross multiply
    53,221,331.20x = 79,831,996.80 × 36,215,219.20
  4. Step 4: Simplify right side
    53,221,331.20x = 2,891,133,263,285,698.50
  5. Step 5: Solve for x
    x = 2,891,133,263,285,698.50/53,221,331.20
  6. Step 6: Final answer
    x = 54,322,828.80

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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.