Home / 57,092,203.29-78,787,314.41-30,986,718.33

Finding the Fourth Proportional to 57,092,203.29, 78,787,314.41 and 30,986,718.33

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Solution

The fourth proportional to 57,092,203.29, 78,787,314.41 and 30,986,718.33 is: 42,761,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,203.29 : 78,787,314.41 = 30,986,718.33 : x
  2. Step 2: Convert to fraction form
    57,092,203.29/78,787,314.41 = 30,986,718.33/x
  3. Step 3: Cross multiply
    57,092,203.29x = 78,787,314.41 × 30,986,718.33
  4. Step 4: Simplify right side
    57,092,203.29x = 2,441,360,319,444,886.50
  5. Step 5: Solve for x
    x = 2,441,360,319,444,886.50/57,092,203.29
  6. Step 6: Final answer
    x = 42,761,711.39

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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.