Home / 155,158,449-232,738,839.90-68,873,659.08

Finding the Fourth Proportional to 155,158,449, 232,738,839.90 and 68,873,659.08

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Solution

The fourth proportional to 155,158,449, 232,738,839.90 and 68,873,659.08 is: 103,311,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,158,449 : 232,738,839.90 = 68,873,659.08 : x
  2. Step 2: Convert to fraction form
    155,158,449/232,738,839.90 = 68,873,659.08/x
  3. Step 3: Cross multiply
    155,158,449x = 232,738,839.90 × 68,873,659.08
  4. Step 4: Simplify right side
    155,158,449x = 16,029,575,513,947,302
  5. Step 5: Solve for x
    x = 16,029,575,513,947,302/155,158,449
  6. Step 6: Final answer
    x = 103,311,006.38

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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.