Home / 66,427,231.60-99,640,847.40-36,194,143.60

Finding the Fourth Proportional to 66,427,231.60, 99,640,847.40 and 36,194,143.60

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Solution

The fourth proportional to 66,427,231.60, 99,640,847.40 and 36,194,143.60 is: 54,291,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427,231.60 : 99,640,847.40 = 36,194,143.60 : x
  2. Step 2: Convert to fraction form
    66,427,231.60/99,640,847.40 = 36,194,143.60/x
  3. Step 3: Cross multiply
    66,427,231.60x = 99,640,847.40 × 36,194,143.60
  4. Step 4: Simplify right side
    66,427,231.60x = 3,606,415,139,221,287
  5. Step 5: Solve for x
    x = 3,606,415,139,221,287/66,427,231.60
  6. Step 6: Final answer
    x = 54,291,215.40

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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.