Home / 68,887,827.85-103,344,455.52-28,501,461.13

Finding the Fourth Proportional to 68,887,827.85, 103,344,455.52 and 28,501,461.13

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Solution

The fourth proportional to 68,887,827.85, 103,344,455.52 and 28,501,461.13 is: 42,757,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887,827.85 : 103,344,455.52 = 28,501,461.13 : x
  2. Step 2: Convert to fraction form
    68,887,827.85/103,344,455.52 = 28,501,461.13/x
  3. Step 3: Cross multiply
    68,887,827.85x = 103,344,455.52 × 28,501,461.13
  4. Step 4: Simplify right side
    68,887,827.85x = 2,945,467,982,004,293.50
  5. Step 5: Solve for x
    x = 2,945,467,982,004,293.50/68,887,827.85
  6. Step 6: Final answer
    x = 42,757,451.85

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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.