Home / 61,979,945.20-92,969,917.80-58,200,809.20

Finding the Fourth Proportional to 61,979,945.20, 92,969,917.80 and 58,200,809.20

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Solution

The fourth proportional to 61,979,945.20, 92,969,917.80 and 58,200,809.20 is: 87,301,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979,945.20 : 92,969,917.80 = 58,200,809.20 : x
  2. Step 2: Convert to fraction form
    61,979,945.20/92,969,917.80 = 58,200,809.20/x
  3. Step 3: Cross multiply
    61,979,945.20x = 92,969,917.80 × 58,200,809.20
  4. Step 4: Simplify right side
    61,979,945.20x = 5,410,924,447,217,484
  5. Step 5: Solve for x
    x = 5,410,924,447,217,484/61,979,945.20
  6. Step 6: Final answer
    x = 87,301,213.80

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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.