Home / 220,889,884.48-331,334,826.72-67,535,941.12

Finding the Fourth Proportional to 220,889,884.48, 331,334,826.72 and 67,535,941.12

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Solution

The fourth proportional to 220,889,884.48, 331,334,826.72 and 67,535,941.12 is: 101,303,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,889,884.48 : 331,334,826.72 = 67,535,941.12 : x
  2. Step 2: Convert to fraction form
    220,889,884.48/331,334,826.72 = 67,535,941.12/x
  3. Step 3: Cross multiply
    220,889,884.48x = 331,334,826.72 × 67,535,941.12
  4. Step 4: Simplify right side
    220,889,884.48x = 22,377,009,348,367,328
  5. Step 5: Solve for x
    x = 22,377,009,348,367,328/220,889,884.48
  6. Step 6: Final answer
    x = 101,303,911.68

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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.