Home / 206,983,577.80-310,475,366.70-155,327,512.60

Finding the Fourth Proportional to 206,983,577.80, 310,475,366.70 and 155,327,512.60

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Solution

The fourth proportional to 206,983,577.80, 310,475,366.70 and 155,327,512.60 is: 232,991,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983,577.80 : 310,475,366.70 = 155,327,512.60 : x
  2. Step 2: Convert to fraction form
    206,983,577.80/310,475,366.70 = 155,327,512.60/x
  3. Step 3: Cross multiply
    206,983,577.80x = 310,475,366.70 × 155,327,512.60
  4. Step 4: Simplify right side
    206,983,577.80x = 48,225,366,433,083,864
  5. Step 5: Solve for x
    x = 48,225,366,433,083,864/206,983,577.80
  6. Step 6: Final answer
    x = 232,991,268.90

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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.