Home / 55,944,412.31-77,205,669.92-31,164,569.17

Finding the Fourth Proportional to 55,944,412.31, 77,205,669.92 and 31,164,569.17

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Solution

The fourth proportional to 55,944,412.31, 77,205,669.92 and 31,164,569.17 is: 43,008,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,944,412.31 : 77,205,669.92 = 31,164,569.17 : x
  2. Step 2: Convert to fraction form
    55,944,412.31/77,205,669.92 = 31,164,569.17/x
  3. Step 3: Cross multiply
    55,944,412.31x = 77,205,669.92 × 31,164,569.17
  4. Step 4: Simplify right side
    55,944,412.31x = 2,406,081,440,306,058.50
  5. Step 5: Solve for x
    x = 2,406,081,440,306,058.50/55,944,412.31
  6. Step 6: Final answer
    x = 43,008,431.78

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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.