Home / 162,154,784.89-243,620,211.43-103,976,447.41

Finding the Fourth Proportional to 162,154,784.89, 243,620,211.43 and 103,976,447.41

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Solution

The fourth proportional to 162,154,784.89, 243,620,211.43 and 103,976,447.41 is: 156,213,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154,784.89 : 243,620,211.43 = 103,976,447.41 : x
  2. Step 2: Convert to fraction form
    162,154,784.89/243,620,211.43 = 103,976,447.41/x
  3. Step 3: Cross multiply
    162,154,784.89x = 243,620,211.43 × 103,976,447.41
  4. Step 4: Simplify right side
    162,154,784.89x = 25,330,764,102,200,008
  5. Step 5: Solve for x
    x = 25,330,764,102,200,008/162,154,784.89
  6. Step 6: Final answer
    x = 156,213,485.28

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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.