Home / 105,023,174.96-157,453,174.40-68,056,974.96

Finding the Fourth Proportional to 105,023,174.96, 157,453,174.40 and 68,056,974.96

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Solution

The fourth proportional to 105,023,174.96, 157,453,174.40 and 68,056,974.96 is: 102,032,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,023,174.96 : 157,453,174.40 = 68,056,974.96 : x
  2. Step 2: Convert to fraction form
    105,023,174.96/157,453,174.40 = 68,056,974.96/x
  3. Step 3: Cross multiply
    105,023,174.96x = 157,453,174.40 × 68,056,974.96
  4. Step 4: Simplify right side
    105,023,174.96x = 10,715,786,747,513,312
  5. Step 5: Solve for x
    x = 10,715,786,747,513,312/105,023,174.96
  6. Step 6: Final answer
    x = 102,032,591.87

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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.