Home / 82,985,231.20-124,477,846.80-25,477,410.10

Finding the Fourth Proportional to 82,985,231.20, 124,477,846.80 and 25,477,410.10

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Solution

The fourth proportional to 82,985,231.20, 124,477,846.80 and 25,477,410.10 is: 38,216,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,985,231.20 : 124,477,846.80 = 25,477,410.10 : x
  2. Step 2: Convert to fraction form
    82,985,231.20/124,477,846.80 = 25,477,410.10/x
  3. Step 3: Cross multiply
    82,985,231.20x = 124,477,846.80 × 25,477,410.10
  4. Step 4: Simplify right side
    82,985,231.20x = 3,171,373,151,288,573
  5. Step 5: Solve for x
    x = 3,171,373,151,288,573/82,985,231.20
  6. Step 6: Final answer
    x = 38,216,115.15

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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.