Home / 157,356,711,672.54-217,152,916,362.90-85,098,776,519.88

Finding the Fourth Proportional to 157,356,711,672.54, 217,152,916,362.90 and 85,098,776,519.88

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Solution

The fourth proportional to 157,356,711,672.54, 217,152,916,362.90 and 85,098,776,519.88 is: 117,436,665,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,356,711,672.54 : 217,152,916,362.90 = 85,098,776,519.88 : x
  2. Step 2: Convert to fraction form
    157,356,711,672.54/217,152,916,362.90 = 85,098,776,519.88/x
  3. Step 3: Cross multiply
    157,356,711,672.54x = 217,152,916,362.90 × 85,098,776,519.88
  4. Step 4: Simplify right side
    157,356,711,672.54x = 18,479,447,500,206,620,278,784
  5. Step 5: Solve for x
    x = 18,479,447,500,206,620,278,784/157,356,711,672.54
  6. Step 6: Final answer
    x = 117,436,665,419.54

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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.