Home / 157,356,712,788.33-217,152,917,902.86-85,098,777,635.64

Finding the Fourth Proportional to 157,356,712,788.33, 217,152,917,902.86 and 85,098,777,635.64

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Solution

The fourth proportional to 157,356,712,788.33, 217,152,917,902.86 and 85,098,777,635.64 is: 117,436,666,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,356,712,788.33 : 217,152,917,902.86 = 85,098,777,635.64 : x
  2. Step 2: Convert to fraction form
    157,356,712,788.33/217,152,917,902.86 = 85,098,777,635.64/x
  3. Step 3: Cross multiply
    157,356,712,788.33x = 217,152,917,902.86 × 85,098,777,635.64
  4. Step 4: Simplify right side
    157,356,712,788.33x = 18,479,447,873,545,870,245,888
  5. Step 5: Solve for x
    x = 18,479,447,873,545,870,245,888/157,356,712,788.33
  6. Step 6: Final answer
    x = 117,436,666,959.38

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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.