Home / 51,135,020.95-70,565,863.08-27,930,141.76

Finding the Fourth Proportional to 51,135,020.95, 70,565,863.08 and 27,930,141.76

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Solution

The fourth proportional to 51,135,020.95, 70,565,863.08 and 27,930,141.76 is: 38,543,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135,020.95 : 70,565,863.08 = 27,930,141.76 : x
  2. Step 2: Convert to fraction form
    51,135,020.95/70,565,863.08 = 27,930,141.76/x
  3. Step 3: Cross multiply
    51,135,020.95x = 70,565,863.08 × 27,930,141.76
  4. Step 4: Simplify right side
    51,135,020.95x = 1,970,914,559,241,150.25
  5. Step 5: Solve for x
    x = 1,970,914,559,241,150.25/51,135,020.95
  6. Step 6: Final answer
    x = 38,543,341.19

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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.