Home / 73,139,795.60-100,933,900.32-40,099,964.72

Finding the Fourth Proportional to 73,139,795.60, 100,933,900.32 and 40,099,964.72

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Solution

The fourth proportional to 73,139,795.60, 100,933,900.32 and 40,099,964.72 is: 55,338,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139,795.60 : 100,933,900.32 = 40,099,964.72 : x
  2. Step 2: Convert to fraction form
    73,139,795.60/100,933,900.32 = 40,099,964.72/x
  3. Step 3: Cross multiply
    73,139,795.60x = 100,933,900.32 × 40,099,964.72
  4. Step 4: Simplify right side
    73,139,795.60x = 4,047,445,841,883,996.50
  5. Step 5: Solve for x
    x = 4,047,445,841,883,996.50/73,139,795.60
  6. Step 6: Final answer
    x = 55,338,489.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.