Home / 82,728,241.60-124,092,362.40-54,987,021.40

Finding the Fourth Proportional to 82,728,241.60, 124,092,362.40 and 54,987,021.40

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Solution

The fourth proportional to 82,728,241.60, 124,092,362.40 and 54,987,021.40 is: 82,480,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,241.60 : 124,092,362.40 = 54,987,021.40 : x
  2. Step 2: Convert to fraction form
    82,728,241.60/124,092,362.40 = 54,987,021.40/x
  3. Step 3: Cross multiply
    82,728,241.60x = 124,092,362.40 × 54,987,021.40
  4. Step 4: Simplify right side
    82,728,241.60x = 6,823,469,386,865,356
  5. Step 5: Solve for x
    x = 6,823,469,386,865,356/82,728,241.60
  6. Step 6: Final answer
    x = 82,480,532.10

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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.