Home / 272,873,998.80-409,310,998.20-100,315,106.10

Finding the Fourth Proportional to 272,873,998.80, 409,310,998.20 and 100,315,106.10

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Solution

The fourth proportional to 272,873,998.80, 409,310,998.20 and 100,315,106.10 is: 150,472,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,873,998.80 : 409,310,998.20 = 100,315,106.10 : x
  2. Step 2: Convert to fraction form
    272,873,998.80/409,310,998.20 = 100,315,106.10/x
  3. Step 3: Cross multiply
    272,873,998.80x = 409,310,998.20 × 100,315,106.10
  4. Step 4: Simplify right side
    272,873,998.80x = 41,060,076,212,329,904
  5. Step 5: Solve for x
    x = 41,060,076,212,329,904/272,873,998.80
  6. Step 6: Final answer
    x = 150,472,659.15

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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.