Home / 209,952,471.80-314,928,707.70-132,858,097.40

Finding the Fourth Proportional to 209,952,471.80, 314,928,707.70 and 132,858,097.40

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Solution

The fourth proportional to 209,952,471.80, 314,928,707.70 and 132,858,097.40 is: 199,287,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,471.80 : 314,928,707.70 = 132,858,097.40 : x
  2. Step 2: Convert to fraction form
    209,952,471.80/314,928,707.70 = 132,858,097.40/x
  3. Step 3: Cross multiply
    209,952,471.80x = 314,928,707.70 × 132,858,097.40
  4. Step 4: Simplify right side
    209,952,471.80x = 41,840,828,921,662,728
  5. Step 5: Solve for x
    x = 41,840,828,921,662,728/209,952,471.80
  6. Step 6: Final answer
    x = 199,287,146.10

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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.