Home / 82,728,267.60-124,092,401.40-54,987,047.40

Finding the Fourth Proportional to 82,728,267.60, 124,092,401.40 and 54,987,047.40

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Solution

The fourth proportional to 82,728,267.60, 124,092,401.40 and 54,987,047.40 is: 82,480,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,267.60 : 124,092,401.40 = 54,987,047.40 : x
  2. Step 2: Convert to fraction form
    82,728,267.60/124,092,401.40 = 54,987,047.40/x
  3. Step 3: Cross multiply
    82,728,267.60x = 124,092,401.40 × 54,987,047.40
  4. Step 4: Simplify right side
    82,728,267.60x = 6,823,474,757,761,627
  5. Step 5: Solve for x
    x = 6,823,474,757,761,627/82,728,267.60
  6. Step 6: Final answer
    x = 82,480,571.10

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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.