Home / 169,921,152,046.80-254,881,728,070.20-81,761,467,438.80

Finding the Fourth Proportional to 169,921,152,046.80, 254,881,728,070.20 and 81,761,467,438.80

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Solution

The fourth proportional to 169,921,152,046.80, 254,881,728,070.20 and 81,761,467,438.80 is: 122,642,201,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,921,152,046.80 : 254,881,728,070.20 = 81,761,467,438.80 : x
  2. Step 2: Convert to fraction form
    169,921,152,046.80/254,881,728,070.20 = 81,761,467,438.80/x
  3. Step 3: Cross multiply
    169,921,152,046.80x = 254,881,728,070.20 × 81,761,467,438.80
  4. Step 4: Simplify right side
    169,921,152,046.80x = 20,839,504,110,356,734,672,896
  5. Step 5: Solve for x
    x = 20,839,504,110,356,734,672,896/169,921,152,046.80
  6. Step 6: Final answer
    x = 122,642,201,158.20

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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.