Home / 270,850,202.36-406,290,657.78-86,633,859.32

Finding the Fourth Proportional to 270,850,202.36, 406,290,657.78 and 86,633,859.32

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Solution

The fourth proportional to 270,850,202.36, 406,290,657.78 and 86,633,859.32 is: 129,955,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,850,202.36 : 406,290,657.78 = 86,633,859.32 : x
  2. Step 2: Convert to fraction form
    270,850,202.36/406,290,657.78 = 86,633,859.32/x
  3. Step 3: Cross multiply
    270,850,202.36x = 406,290,657.78 × 86,633,859.32
  4. Step 4: Simplify right side
    270,850,202.36x = 35,198,527,689,142,780
  5. Step 5: Solve for x
    x = 35,198,527,689,142,780/270,850,202.36
  6. Step 6: Final answer
    x = 129,955,700.17

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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.