Home / 162,168,350.67-243,341,080.71-68,780,796.51

Finding the Fourth Proportional to 162,168,350.67, 243,341,080.71 and 68,780,796.51

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Solution

The fourth proportional to 162,168,350.67, 243,341,080.71 and 68,780,796.51 is: 103,208,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,168,350.67 : 243,341,080.71 = 68,780,796.51 : x
  2. Step 2: Convert to fraction form
    162,168,350.67/243,341,080.71 = 68,780,796.51/x
  3. Step 3: Cross multiply
    162,168,350.67x = 243,341,080.71 × 68,780,796.51
  4. Step 4: Simplify right side
    162,168,350.67x = 16,737,193,354,837,998
  5. Step 5: Solve for x
    x = 16,737,193,354,837,998/162,168,350.67
  6. Step 6: Final answer
    x = 103,208,753.65

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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.