Home / 68,721,702.95-103,157,247.76-27,809,309.27

Finding the Fourth Proportional to 68,721,702.95, 103,157,247.76 and 27,809,309.27

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Solution

The fourth proportional to 68,721,702.95, 103,157,247.76 and 27,809,309.27 is: 41,744,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721,702.95 : 103,157,247.76 = 27,809,309.27 : x
  2. Step 2: Convert to fraction form
    68,721,702.95/103,157,247.76 = 27,809,309.27/x
  3. Step 3: Cross multiply
    68,721,702.95x = 103,157,247.76 × 27,809,309.27
  4. Step 4: Simplify right side
    68,721,702.95x = 2,868,731,806,399,855
  5. Step 5: Solve for x
    x = 2,868,731,806,399,855/68,721,702.95
  6. Step 6: Final answer
    x = 41,744,189.73

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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.