Home / 111,551,327.20-153,944,569.68-61,993,789.84

Finding the Fourth Proportional to 111,551,327.20, 153,944,569.68 and 61,993,789.84

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Solution

The fourth proportional to 111,551,327.20, 153,944,569.68 and 61,993,789.84 is: 85,553,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,327.20 : 153,944,569.68 = 61,993,789.84 : x
  2. Step 2: Convert to fraction form
    111,551,327.20/153,944,569.68 = 61,993,789.84/x
  3. Step 3: Cross multiply
    111,551,327.20x = 153,944,569.68 × 61,993,789.84
  4. Step 4: Simplify right side
    111,551,327.20x = 9,543,607,299,751,158
  5. Step 5: Solve for x
    x = 9,543,607,299,751,158/111,551,327.20
  6. Step 6: Final answer
    x = 85,553,507.42

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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.