Home / 42,385,419.17-63,485,433.78-30,051,997.37

Finding the Fourth Proportional to 42,385,419.17, 63,485,433.78 and 30,051,997.37

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Solution

The fourth proportional to 42,385,419.17, 63,485,433.78 and 30,051,997.37 is: 45,012,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385,419.17 : 63,485,433.78 = 30,051,997.37 : x
  2. Step 2: Convert to fraction form
    42,385,419.17/63,485,433.78 = 30,051,997.37/x
  3. Step 3: Cross multiply
    42,385,419.17x = 63,485,433.78 × 30,051,997.37
  4. Step 4: Simplify right side
    42,385,419.17x = 1,907,864,088,989,869.25
  5. Step 5: Solve for x
    x = 1,907,864,088,989,869.25/42,385,419.17
  6. Step 6: Final answer
    x = 45,012,273.71

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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.