Home / 235,676,449.80-325,220,713.34-129,809,269.17

Finding the Fourth Proportional to 235,676,449.80, 325,220,713.34 and 129,809,269.17

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Solution

The fourth proportional to 235,676,449.80, 325,220,713.34 and 129,809,269.17 is: 179,129,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,676,449.80 : 325,220,713.34 = 129,809,269.17 : x
  2. Step 2: Convert to fraction form
    235,676,449.80/325,220,713.34 = 129,809,269.17/x
  3. Step 3: Cross multiply
    235,676,449.80x = 325,220,713.34 × 129,809,269.17
  4. Step 4: Simplify right side
    235,676,449.80x = 42,216,663,116,962,424
  5. Step 5: Solve for x
    x = 42,216,663,116,962,424/235,676,449.80
  6. Step 6: Final answer
    x = 179,129,748.23

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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.