Home / 74,368,870.20-111,553,305.30-19,781,350.20

Finding the Fourth Proportional to 74,368,870.20, 111,553,305.30 and 19,781,350.20

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Solution

The fourth proportional to 74,368,870.20, 111,553,305.30 and 19,781,350.20 is: 29,672,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368,870.20 : 111,553,305.30 = 19,781,350.20 : x
  2. Step 2: Convert to fraction form
    74,368,870.20/111,553,305.30 = 19,781,350.20/x
  3. Step 3: Cross multiply
    74,368,870.20x = 111,553,305.30 × 19,781,350.20
  4. Step 4: Simplify right side
    74,368,870.20x = 2,206,674,998,106,816
  5. Step 5: Solve for x
    x = 2,206,674,998,106,816/74,368,870.20
  6. Step 6: Final answer
    x = 29,672,025.30

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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.