Home / 229,321,459.80-316,499,556.87-135,245,947.05

Finding the Fourth Proportional to 229,321,459.80, 316,499,556.87 and 135,245,947.05

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Solution

The fourth proportional to 229,321,459.80, 316,499,556.87 and 135,245,947.05 is: 186,660,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,321,459.80 : 316,499,556.87 = 135,245,947.05 : x
  2. Step 2: Convert to fraction form
    229,321,459.80/316,499,556.87 = 135,245,947.05/x
  3. Step 3: Cross multiply
    229,321,459.80x = 316,499,556.87 × 135,245,947.05
  4. Step 4: Simplify right side
    229,321,459.80x = 42,805,282,309,788,488
  5. Step 5: Solve for x
    x = 42,805,282,309,788,488/229,321,459.80
  6. Step 6: Final answer
    x = 186,660,604.49

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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.