Home / 229,744,382.64-344,619,572.90-76,390,439.09

Finding the Fourth Proportional to 229,744,382.64, 344,619,572.90 and 76,390,439.09

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Solution

The fourth proportional to 229,744,382.64, 344,619,572.90 and 76,390,439.09 is: 114,586,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,744,382.64 : 344,619,572.90 = 76,390,439.09 : x
  2. Step 2: Convert to fraction form
    229,744,382.64/344,619,572.90 = 76,390,439.09/x
  3. Step 3: Cross multiply
    229,744,382.64x = 344,619,572.90 × 76,390,439.09
  4. Step 4: Simplify right side
    229,744,382.64x = 26,325,640,490,734,212
  5. Step 5: Solve for x
    x = 26,325,640,490,734,212/229,744,382.64
  6. Step 6: Final answer
    x = 114,586,655.78

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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.