Home / 136,955,985.74-205,305,380.84-46,015,976.78

Finding the Fourth Proportional to 136,955,985.74, 205,305,380.84 and 46,015,976.78

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Solution

The fourth proportional to 136,955,985.74, 205,305,380.84 and 46,015,976.78 is: 68,980,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955,985.74 : 205,305,380.84 = 46,015,976.78 : x
  2. Step 2: Convert to fraction form
    136,955,985.74/205,305,380.84 = 46,015,976.78/x
  3. Step 3: Cross multiply
    136,955,985.74x = 205,305,380.84 × 46,015,976.78
  4. Step 4: Simplify right side
    136,955,985.74x = 9,447,327,637,400,906
  5. Step 5: Solve for x
    x = 9,447,327,637,400,906/136,955,985.74
  6. Step 6: Final answer
    x = 68,980,757.48

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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.