Home / 414,736,043.40-622,104,065.12-142,016,171.40

Finding the Fourth Proportional to 414,736,043.40, 622,104,065.12 and 142,016,171.40

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Solution

The fourth proportional to 414,736,043.40, 622,104,065.12 and 142,016,171.40 is: 213,024,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,736,043.40 : 622,104,065.12 = 142,016,171.40 : x
  2. Step 2: Convert to fraction form
    414,736,043.40/622,104,065.12 = 142,016,171.40/x
  3. Step 3: Cross multiply
    414,736,043.40x = 622,104,065.12 × 142,016,171.40
  4. Step 4: Simplify right side
    414,736,043.40x = 88,348,837,540,718,688
  5. Step 5: Solve for x
    x = 88,348,837,540,718,688/414,736,043.40
  6. Step 6: Final answer
    x = 213,024,257.11

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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.