Home / 315,451,775.30-435,347,014.12-181,530,742.82

Finding the Fourth Proportional to 315,451,775.30, 435,347,014.12 and 181,530,742.82

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Solution

The fourth proportional to 315,451,775.30, 435,347,014.12 and 181,530,742.82 is: 250,525,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,451,775.30 : 435,347,014.12 = 181,530,742.82 : x
  2. Step 2: Convert to fraction form
    315,451,775.30/435,347,014.12 = 181,530,742.82/x
  3. Step 3: Cross multiply
    315,451,775.30x = 435,347,014.12 × 181,530,742.82
  4. Step 4: Simplify right side
    315,451,775.30x = 79,028,866,857,672,624
  5. Step 5: Solve for x
    x = 79,028,866,857,672,624/315,451,775.30
  6. Step 6: Final answer
    x = 250,525,985.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.