Home / 235,817,196.23-325,414,451.03-129,970,290.78

Finding the Fourth Proportional to 235,817,196.23, 325,414,451.03 and 129,970,290.78

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Solution

The fourth proportional to 235,817,196.23, 325,414,451.03 and 129,970,290.78 is: 179,351,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,817,196.23 : 325,414,451.03 = 129,970,290.78 : x
  2. Step 2: Convert to fraction form
    235,817,196.23/325,414,451.03 = 129,970,290.78/x
  3. Step 3: Cross multiply
    235,817,196.23x = 325,414,451.03 × 129,970,290.78
  4. Step 4: Simplify right side
    235,817,196.23x = 42,294,210,823,733,320
  5. Step 5: Solve for x
    x = 42,294,210,823,733,320/235,817,196.23
  6. Step 6: Final answer
    x = 179,351,682.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.