Home / 64,131,844.60-96,188,435.70-18,688,900.60

Finding the Fourth Proportional to 64,131,844.60, 96,188,435.70 and 18,688,900.60

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Solution

The fourth proportional to 64,131,844.60, 96,188,435.70 and 18,688,900.60 is: 28,030,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131,844.60 : 96,188,435.70 = 18,688,900.60 : x
  2. Step 2: Convert to fraction form
    64,131,844.60/96,188,435.70 = 18,688,900.60/x
  3. Step 3: Cross multiply
    64,131,844.60x = 96,188,435.70 × 18,688,900.60
  4. Step 4: Simplify right side
    64,131,844.60x = 1,797,656,113,666,791.50
  5. Step 5: Solve for x
    x = 1,797,656,113,666,791.50/64,131,844.60
  6. Step 6: Final answer
    x = 28,030,631.66

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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.