Home / 107,802,308.60-161,703,462.90-82,293,140.60

Finding the Fourth Proportional to 107,802,308.60, 161,703,462.90 and 82,293,140.60

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Solution

The fourth proportional to 107,802,308.60, 161,703,462.90 and 82,293,140.60 is: 123,439,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,308.60 : 161,703,462.90 = 82,293,140.60 : x
  2. Step 2: Convert to fraction form
    107,802,308.60/161,703,462.90 = 82,293,140.60/x
  3. Step 3: Cross multiply
    107,802,308.60x = 161,703,462.90 × 82,293,140.60
  4. Step 4: Simplify right side
    107,802,308.60x = 13,307,085,807,936,584
  5. Step 5: Solve for x
    x = 13,307,085,807,936,584/107,802,308.60
  6. Step 6: Final answer
    x = 123,439,710.90

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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.