Home / 68,887,829.12-103,344,457.41-28,501,462.40

Finding the Fourth Proportional to 68,887,829.12, 103,344,457.41 and 28,501,462.40

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Solution

The fourth proportional to 68,887,829.12, 103,344,457.41 and 28,501,462.40 is: 42,757,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887,829.12 : 103,344,457.41 = 28,501,462.40 : x
  2. Step 2: Convert to fraction form
    68,887,829.12/103,344,457.41 = 28,501,462.40/x
  3. Step 3: Cross multiply
    68,887,829.12x = 103,344,457.41 × 28,501,462.40
  4. Step 4: Simplify right side
    68,887,829.12x = 2,945,468,166,602,794
  5. Step 5: Solve for x
    x = 2,945,468,166,602,794/68,887,829.12
  6. Step 6: Final answer
    x = 42,757,453.74

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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.