Home / 87,066,429.15-120,148,069.89-47,374,123.26

Finding the Fourth Proportional to 87,066,429.15, 120,148,069.89 and 47,374,123.26

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Solution

The fourth proportional to 87,066,429.15, 120,148,069.89 and 47,374,123.26 is: 65,374,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,066,429.15 : 120,148,069.89 = 47,374,123.26 : x
  2. Step 2: Convert to fraction form
    87,066,429.15/120,148,069.89 = 47,374,123.26/x
  3. Step 3: Cross multiply
    87,066,429.15x = 120,148,069.89 × 47,374,123.26
  4. Step 4: Simplify right side
    87,066,429.15x = 5,691,909,472,419,954
  5. Step 5: Solve for x
    x = 5,691,909,472,419,954/87,066,429.15
  6. Step 6: Final answer
    x = 65,374,330.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.