Home / 152,040,663.56-209,817,759.89-89,319,405.23

Finding the Fourth Proportional to 152,040,663.56, 209,817,759.89 and 89,319,405.23

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Solution

The fourth proportional to 152,040,663.56, 209,817,759.89 and 89,319,405.23 is: 123,261,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040,663.56 : 209,817,759.89 = 89,319,405.23 : x
  2. Step 2: Convert to fraction form
    152,040,663.56/209,817,759.89 = 89,319,405.23/x
  3. Step 3: Cross multiply
    152,040,663.56x = 209,817,759.89 × 89,319,405.23
  4. Step 4: Simplify right side
    152,040,663.56x = 18,740,797,519,039,332
  5. Step 5: Solve for x
    x = 18,740,797,519,039,332/152,040,663.56
  6. Step 6: Final answer
    x = 123,261,745.12

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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.