Home / 99,613,283.60-137,414,053.32-81,049,181.96

Finding the Fourth Proportional to 99,613,283.60, 137,414,053.32 and 81,049,181.96

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Solution

The fourth proportional to 99,613,283.60, 137,414,053.32 and 81,049,181.96 is: 111,805,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613,283.60 : 137,414,053.32 = 81,049,181.96 : x
  2. Step 2: Convert to fraction form
    99,613,283.60/137,414,053.32 = 81,049,181.96/x
  3. Step 3: Cross multiply
    99,613,283.60x = 137,414,053.32 × 81,049,181.96
  4. Step 4: Simplify right side
    99,613,283.60x = 11,137,296,611,393,820
  5. Step 5: Solve for x
    x = 11,137,296,611,393,820/99,613,283.60
  6. Step 6: Final answer
    x = 111,805,335.68

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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.