Home / 42,818,228.53-64,254,360.97-18,226,116.10

Finding the Fourth Proportional to 42,818,228.53, 64,254,360.97 and 18,226,116.10

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Solution

The fourth proportional to 42,818,228.53, 64,254,360.97 and 18,226,116.10 is: 27,350,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,818,228.53 : 64,254,360.97 = 18,226,116.10 : x
  2. Step 2: Convert to fraction form
    42,818,228.53/64,254,360.97 = 18,226,116.10/x
  3. Step 3: Cross multiply
    42,818,228.53x = 64,254,360.97 × 18,226,116.10
  4. Step 4: Simplify right side
    42,818,228.53x = 1,171,107,443,073,629.25
  5. Step 5: Solve for x
    x = 1,171,107,443,073,629.25/42,818,228.53
  6. Step 6: Final answer
    x = 27,350,674.78

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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.