Home / 131,705,682,123.60-181,755,494,346.72-71,559,655,629.84

Finding the Fourth Proportional to 131,705,682,123.60, 181,755,494,346.72 and 71,559,655,629.84

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Solution

The fourth proportional to 131,705,682,123.60, 181,755,494,346.72 and 71,559,655,629.84 is: 98,753,222,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,705,682,123.60 : 181,755,494,346.72 = 71,559,655,629.84 : x
  2. Step 2: Convert to fraction form
    131,705,682,123.60/181,755,494,346.72 = 71,559,655,629.84/x
  3. Step 3: Cross multiply
    131,705,682,123.60x = 181,755,494,346.72 × 71,559,655,629.84
  4. Step 4: Simplify right side
    131,705,682,123.60x = 13,006,360,584,282,613,743,616
  5. Step 5: Solve for x
    x = 13,006,360,584,282,613,743,616/131,705,682,123.60
  6. Step 6: Final answer
    x = 98,753,222,902.54

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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.