Home / 93,606,400.80-140,409,601.20-81,662,464.80

Finding the Fourth Proportional to 93,606,400.80, 140,409,601.20 and 81,662,464.80

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Solution

The fourth proportional to 93,606,400.80, 140,409,601.20 and 81,662,464.80 is: 122,493,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,606,400.80 : 140,409,601.20 = 81,662,464.80 : x
  2. Step 2: Convert to fraction form
    93,606,400.80/140,409,601.20 = 81,662,464.80/x
  3. Step 3: Cross multiply
    93,606,400.80x = 140,409,601.20 × 81,662,464.80
  4. Step 4: Simplify right side
    93,606,400.80x = 11,466,194,115,577,036
  5. Step 5: Solve for x
    x = 11,466,194,115,577,036/93,606,400.80
  6. Step 6: Final answer
    x = 122,493,697.20

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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.