Home / 74,252,028.70-111,333,756.30-45,518,785.30

Finding the Fourth Proportional to 74,252,028.70, 111,333,756.30 and 45,518,785.30

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Solution

The fourth proportional to 74,252,028.70, 111,333,756.30 and 45,518,785.30 is: 68,251,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252,028.70 : 111,333,756.30 = 45,518,785.30 : x
  2. Step 2: Convert to fraction form
    74,252,028.70/111,333,756.30 = 45,518,785.30/x
  3. Step 3: Cross multiply
    74,252,028.70x = 111,333,756.30 × 45,518,785.30
  4. Step 4: Simplify right side
    74,252,028.70x = 5,067,777,349,662,222
  5. Step 5: Solve for x
    x = 5,067,777,349,662,222/74,252,028.70
  6. Step 6: Final answer
    x = 68,251,028.81

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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.