Home / 169,921,152,005.80-254,881,728,008.70-81,761,467,397.80

Finding the Fourth Proportional to 169,921,152,005.80, 254,881,728,008.70 and 81,761,467,397.80

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Solution

The fourth proportional to 169,921,152,005.80, 254,881,728,008.70 and 81,761,467,397.80 is: 122,642,201,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,921,152,005.80 : 254,881,728,008.70 = 81,761,467,397.80 : x
  2. Step 2: Convert to fraction form
    169,921,152,005.80/254,881,728,008.70 = 81,761,467,397.80/x
  3. Step 3: Cross multiply
    169,921,152,005.80x = 254,881,728,008.70 × 81,761,467,397.80
  4. Step 4: Simplify right side
    169,921,152,005.80x = 20,839,504,094,878,255,546,368
  5. Step 5: Solve for x
    x = 20,839,504,094,878,255,546,368/169,921,152,005.80
  6. Step 6: Final answer
    x = 122,642,201,096.70

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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.