Home / 72,471,664.13-100,010,896.49-39,876,616.13

Finding the Fourth Proportional to 72,471,664.13, 100,010,896.49 and 39,876,616.13

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Solution

The fourth proportional to 72,471,664.13, 100,010,896.49 and 39,876,616.13 is: 55,029,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,471,664.13 : 100,010,896.49 = 39,876,616.13 : x
  2. Step 2: Convert to fraction form
    72,471,664.13/100,010,896.49 = 39,876,616.13/x
  3. Step 3: Cross multiply
    72,471,664.13x = 100,010,896.49 × 39,876,616.13
  4. Step 4: Simplify right side
    72,471,664.13x = 3,988,096,127,748,531.50
  5. Step 5: Solve for x
    x = 3,988,096,127,748,531.50/72,471,664.13
  6. Step 6: Final answer
    x = 55,029,730.25

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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.