Home / 229,135,998.24-316,183,847.76-129,985,155.36

Finding the Fourth Proportional to 229,135,998.24, 316,183,847.76 and 129,985,155.36

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Solution

The fourth proportional to 229,135,998.24, 316,183,847.76 and 129,985,155.36 is: 179,365,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,135,998.24 : 316,183,847.76 = 129,985,155.36 : x
  2. Step 2: Convert to fraction form
    229,135,998.24/316,183,847.76 = 129,985,155.36/x
  3. Step 3: Cross multiply
    229,135,998.24x = 316,183,847.76 × 129,985,155.36
  4. Step 4: Simplify right side
    229,135,998.24x = 41,099,206,573,406,184
  5. Step 5: Solve for x
    x = 41,099,206,573,406,184/229,135,998.24
  6. Step 6: Final answer
    x = 179,365,996.13

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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.