Home / 221,849,761,142.42-306,126,842,290.38-124,196,749,418.70

Finding the Fourth Proportional to 221,849,761,142.42, 306,126,842,290.38 and 124,196,749,418.70

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Solution

The fourth proportional to 221,849,761,142.42, 306,126,842,290.38 and 124,196,749,418.70 is: 171,377,055,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,849,761,142.42 : 306,126,842,290.38 = 124,196,749,418.70 : x
  2. Step 2: Convert to fraction form
    221,849,761,142.42/306,126,842,290.38 = 124,196,749,418.70/x
  3. Step 3: Cross multiply
    221,849,761,142.42x = 306,126,842,290.38 × 124,196,749,418.70
  4. Step 4: Simplify right side
    221,849,761,142.42x = 38,019,958,722,276,219,682,816
  5. Step 5: Solve for x
    x = 38,019,958,722,276,219,682,816/221,849,761,142.42
  6. Step 6: Final answer
    x = 171,377,055,023.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.