Home / 162,515,072.12-243,721,398.66-53,314,796.57

Finding the Fourth Proportional to 162,515,072.12, 243,721,398.66 and 53,314,796.57

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Solution

The fourth proportional to 162,515,072.12, 243,721,398.66 and 53,314,796.57 is: 79,955,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,515,072.12 : 243,721,398.66 = 53,314,796.57 : x
  2. Step 2: Convert to fraction form
    162,515,072.12/243,721,398.66 = 53,314,796.57/x
  3. Step 3: Cross multiply
    162,515,072.12x = 243,721,398.66 × 53,314,796.57
  4. Step 4: Simplify right side
    162,515,072.12x = 12,993,956,787,895,232
  5. Step 5: Solve for x
    x = 12,993,956,787,895,232/162,515,072.12
  6. Step 6: Final answer
    x = 79,955,395.02

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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.