Home / 55,145,464.20-82,718,196.30-16,808,885.10

Finding the Fourth Proportional to 55,145,464.20, 82,718,196.30 and 16,808,885.10

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Solution

The fourth proportional to 55,145,464.20, 82,718,196.30 and 16,808,885.10 is: 25,213,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,464.20 : 82,718,196.30 = 16,808,885.10 : x
  2. Step 2: Convert to fraction form
    55,145,464.20/82,718,196.30 = 16,808,885.10/x
  3. Step 3: Cross multiply
    55,145,464.20x = 82,718,196.30 × 16,808,885.10
  4. Step 4: Simplify right side
    55,145,464.20x = 1,390,400,657,285,945.25
  5. Step 5: Solve for x
    x = 1,390,400,657,285,945.25/55,145,464.20
  6. Step 6: Final answer
    x = 25,213,327.65

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Double scale
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Similar ratio
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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.