Home / 74,327,140.20-111,384,422.10-51,581,465.40

Finding the Fourth Proportional to 74,327,140.20, 111,384,422.10 and 51,581,465.40

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Solution

The fourth proportional to 74,327,140.20, 111,384,422.10 and 51,581,465.40 is: 77,298,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327,140.20 : 111,384,422.10 = 51,581,465.40 : x
  2. Step 2: Convert to fraction form
    74,327,140.20/111,384,422.10 = 51,581,465.40/x
  3. Step 3: Cross multiply
    74,327,140.20x = 111,384,422.10 × 51,581,465.40
  4. Step 4: Simplify right side
    74,327,140.20x = 5,745,371,714,650,145
  5. Step 5: Solve for x
    x = 5,745,371,714,650,145/74,327,140.20
  6. Step 6: Final answer
    x = 77,298,436.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.