Home / 243,252,971.82-335,688,995.07-131,743,817.73

Finding the Fourth Proportional to 243,252,971.82, 335,688,995.07 and 131,743,817.73

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Solution

The fourth proportional to 243,252,971.82, 335,688,995.07 and 131,743,817.73 is: 181,806,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,252,971.82 : 335,688,995.07 = 131,743,817.73 : x
  2. Step 2: Convert to fraction form
    243,252,971.82/335,688,995.07 = 131,743,817.73/x
  3. Step 3: Cross multiply
    243,252,971.82x = 335,688,995.07 × 131,743,817.73
  4. Step 4: Simplify right side
    243,252,971.82x = 44,224,949,780,468,952
  5. Step 5: Solve for x
    x = 44,224,949,780,468,952/243,252,971.82
  6. Step 6: Final answer
    x = 181,806,411.04

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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.