Home / 162,403,720.21-243,619,900.91-45,820,096.21

Finding the Fourth Proportional to 162,403,720.21, 243,619,900.91 and 45,820,096.21

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Solution

The fourth proportional to 162,403,720.21, 243,619,900.91 and 45,820,096.21 is: 68,734,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,403,720.21 : 243,619,900.91 = 45,820,096.21 : x
  2. Step 2: Convert to fraction form
    162,403,720.21/243,619,900.91 = 45,820,096.21/x
  3. Step 3: Cross multiply
    162,403,720.21x = 243,619,900.91 × 45,820,096.21
  4. Step 4: Simplify right side
    162,403,720.21x = 11,162,687,298,366,866
  5. Step 5: Solve for x
    x = 11,162,687,298,366,866/162,403,720.21
  6. Step 6: Final answer
    x = 68,734,184.68

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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.