Home / 107,802,401.60-161,703,602.40-82,293,233.60

Finding the Fourth Proportional to 107,802,401.60, 161,703,602.40 and 82,293,233.60

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Solution

The fourth proportional to 107,802,401.60, 161,703,602.40 and 82,293,233.60 is: 123,439,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,401.60 : 161,703,602.40 = 82,293,233.60 : x
  2. Step 2: Convert to fraction form
    107,802,401.60/161,703,602.40 = 82,293,233.60/x
  3. Step 3: Cross multiply
    107,802,401.60x = 161,703,602.40 × 82,293,233.60
  4. Step 4: Simplify right side
    107,802,401.60x = 13,307,112,326,264,720
  5. Step 5: Solve for x
    x = 13,307,112,326,264,720/107,802,401.60
  6. Step 6: Final answer
    x = 123,439,850.40

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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.