Home / 169,529,679,009.60-254,294,518,514.40-138,148,619,400.60

Finding the Fourth Proportional to 169,529,679,009.60, 254,294,518,514.40 and 138,148,619,400.60

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Solution

The fourth proportional to 169,529,679,009.60, 254,294,518,514.40 and 138,148,619,400.60 is: 207,222,929,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,529,679,009.60 : 254,294,518,514.40 = 138,148,619,400.60 : x
  2. Step 2: Convert to fraction form
    169,529,679,009.60/254,294,518,514.40 = 138,148,619,400.60/x
  3. Step 3: Cross multiply
    169,529,679,009.60x = 254,294,518,514.40 × 138,148,619,400.60
  4. Step 4: Simplify right side
    169,529,679,009.60x = 35,130,436,653,904,677,568,512
  5. Step 5: Solve for x
    x = 35,130,436,653,904,677,568,512/169,529,679,009.60
  6. Step 6: Final answer
    x = 207,222,929,100.90

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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.