Home / 137,255,556.80-205,883,335.20-82,835,998.40

Finding the Fourth Proportional to 137,255,556.80, 205,883,335.20 and 82,835,998.40

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Solution

The fourth proportional to 137,255,556.80, 205,883,335.20 and 82,835,998.40 is: 124,253,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,255,556.80 : 205,883,335.20 = 82,835,998.40 : x
  2. Step 2: Convert to fraction form
    137,255,556.80/205,883,335.20 = 82,835,998.40/x
  3. Step 3: Cross multiply
    137,255,556.80x = 205,883,335.20 × 82,835,998.40
  4. Step 4: Simplify right side
    137,255,556.80x = 17,054,551,625,213,864
  5. Step 5: Solve for x
    x = 17,054,551,625,213,864/137,255,556.80
  6. Step 6: Final answer
    x = 124,253,997.60

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1.5x scale

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.