Home / 131,538,624,239.35-197,390,934,767.01-55,991,651,584.78

Finding the Fourth Proportional to 131,538,624,239.35, 197,390,934,767.01 and 55,991,651,584.78

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Solution

The fourth proportional to 131,538,624,239.35, 197,390,934,767.01 and 55,991,651,584.78 is: 84,022,807,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,538,624,239.35 : 197,390,934,767.01 = 55,991,651,584.78 : x
  2. Step 2: Convert to fraction form
    131,538,624,239.35/197,390,934,767.01 = 55,991,651,584.78/x
  3. Step 3: Cross multiply
    131,538,624,239.35x = 197,390,934,767.01 × 55,991,651,584.78
  4. Step 4: Simplify right side
    131,538,624,239.35x = 11,052,244,445,468,460,843,008
  5. Step 5: Solve for x
    x = 11,052,244,445,468,460,843,008/131,538,624,239.35
  6. Step 6: Final answer
    x = 84,022,807,060.51

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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.