Home / 82,972,213.60-124,458,320.40-22,387,842.40

Finding the Fourth Proportional to 82,972,213.60, 124,458,320.40 and 22,387,842.40

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Solution

The fourth proportional to 82,972,213.60, 124,458,320.40 and 22,387,842.40 is: 33,581,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,972,213.60 : 124,458,320.40 = 22,387,842.40 : x
  2. Step 2: Convert to fraction form
    82,972,213.60/124,458,320.40 = 22,387,842.40/x
  3. Step 3: Cross multiply
    82,972,213.60x = 124,458,320.40 × 22,387,842.40
  4. Step 4: Simplify right side
    82,972,213.60x = 2,786,353,262,483,905
  5. Step 5: Solve for x
    x = 2,786,353,262,483,905/82,972,213.60
  6. Step 6: Final answer
    x = 33,581,763.60

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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.