Home / 55,178,633,313.20-82,767,949,969.80-31,959,621,729.20

Finding the Fourth Proportional to 55,178,633,313.20, 82,767,949,969.80 and 31,959,621,729.20

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Solution

The fourth proportional to 55,178,633,313.20, 82,767,949,969.80 and 31,959,621,729.20 is: 47,939,432,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178,633,313.20 : 82,767,949,969.80 = 31,959,621,729.20 : x
  2. Step 2: Convert to fraction form
    55,178,633,313.20/82,767,949,969.80 = 31,959,621,729.20/x
  3. Step 3: Cross multiply
    55,178,633,313.20x = 82,767,949,969.80 × 31,959,621,729.20
  4. Step 4: Simplify right side
    55,178,633,313.20x = 2,645,232,372,336,158,572,544
  5. Step 5: Solve for x
    x = 2,645,232,372,336,158,572,544/55,178,633,313.20
  6. Step 6: Final answer
    x = 47,939,432,593.80

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Double scale
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1.5x scale

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.