Home / 162,403,719.21-243,619,899.41-45,820,095.21

Finding the Fourth Proportional to 162,403,719.21, 243,619,899.41 and 45,820,095.21

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Solution

The fourth proportional to 162,403,719.21, 243,619,899.41 and 45,820,095.21 is: 68,734,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,403,719.21 : 243,619,899.41 = 45,820,095.21 : x
  2. Step 2: Convert to fraction form
    162,403,719.21/243,619,899.41 = 45,820,095.21/x
  3. Step 3: Cross multiply
    162,403,719.21x = 243,619,899.41 × 45,820,095.21
  4. Step 4: Simplify right side
    162,403,719.21x = 11,162,686,986,131,374
  5. Step 5: Solve for x
    x = 11,162,686,986,131,374/162,403,719.21
  6. Step 6: Final answer
    x = 68,734,183.19

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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.