Home / 74,895,183-103,348,100.64-47,008,979.28

Finding the Fourth Proportional to 74,895,183, 103,348,100.64 and 47,008,979.28

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Solution

The fourth proportional to 74,895,183, 103,348,100.64 and 47,008,979.28 is: 64,867,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895,183 : 103,348,100.64 = 47,008,979.28 : x
  2. Step 2: Convert to fraction form
    74,895,183/103,348,100.64 = 47,008,979.28/x
  3. Step 3: Cross multiply
    74,895,183x = 103,348,100.64 × 47,008,979.28
  4. Step 4: Simplify right side
    74,895,183x = 4,858,288,721,613,115
  5. Step 5: Solve for x
    x = 4,858,288,721,613,115/74,895,183
  6. Step 6: Final answer
    x = 64,867,839.65

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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.