Home / 345,222,293.46-518,037,742.86-127,025,863.38

Finding the Fourth Proportional to 345,222,293.46, 518,037,742.86 and 127,025,863.38

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Solution

The fourth proportional to 345,222,293.46, 518,037,742.86 and 127,025,863.38 is: 190,613,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,293.46 : 518,037,742.86 = 127,025,863.38 : x
  2. Step 2: Convert to fraction form
    345,222,293.46/518,037,742.86 = 127,025,863.38/x
  3. Step 3: Cross multiply
    345,222,293.46x = 518,037,742.86 × 127,025,863.38
  4. Step 4: Simplify right side
    345,222,293.46x = 65,804,191,550,217,928
  5. Step 5: Solve for x
    x = 65,804,191,550,217,928/345,222,293.46
  6. Step 6: Final answer
    x = 190,613,969.02

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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.