Home / 149,032,357.57-205,664,663.33-82,951,437.70

Finding the Fourth Proportional to 149,032,357.57, 205,664,663.33 and 82,951,437.70

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Solution

The fourth proportional to 149,032,357.57, 205,664,663.33 and 82,951,437.70 is: 114,472,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032,357.57 : 205,664,663.33 = 82,951,437.70 : x
  2. Step 2: Convert to fraction form
    149,032,357.57/205,664,663.33 = 82,951,437.70/x
  3. Step 3: Cross multiply
    149,032,357.57x = 205,664,663.33 × 82,951,437.70
  4. Step 4: Simplify right side
    149,032,357.57x = 17,060,179,507,003,188
  5. Step 5: Solve for x
    x = 17,060,179,507,003,188/149,032,357.57
  6. Step 6: Final answer
    x = 114,472,989.53

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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.