Home / 442,400,101.21-663,687,570.53-162,283,616.41

Finding the Fourth Proportional to 442,400,101.21, 663,687,570.53 and 162,283,616.41

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Solution

The fourth proportional to 442,400,101.21, 663,687,570.53 and 162,283,616.41 is: 243,457,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,400,101.21 : 663,687,570.53 = 162,283,616.41 : x
  2. Step 2: Convert to fraction form
    442,400,101.21/663,687,570.53 = 162,283,616.41/x
  3. Step 3: Cross multiply
    442,400,101.21x = 663,687,570.53 × 162,283,616.41
  4. Step 4: Simplify right side
    442,400,101.21x = 107,705,619,109,813,056
  5. Step 5: Solve for x
    x = 107,705,619,109,813,056/442,400,101.21
  6. Step 6: Final answer
    x = 243,457,492.02

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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.