Home / 214,601,244.60-321,943,857.30-91,779,324.60

Finding the Fourth Proportional to 214,601,244.60, 321,943,857.30 and 91,779,324.60

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Solution

The fourth proportional to 214,601,244.60, 321,943,857.30 and 91,779,324.60 is: 137,686,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601,244.60 : 321,943,857.30 = 91,779,324.60 : x
  2. Step 2: Convert to fraction form
    214,601,244.60/321,943,857.30 = 91,779,324.60/x
  3. Step 3: Cross multiply
    214,601,244.60x = 321,943,857.30 × 91,779,324.60
  4. Step 4: Simplify right side
    214,601,244.60x = 29,547,789,782,112,780
  5. Step 5: Solve for x
    x = 29,547,789,782,112,780/214,601,244.60
  6. Step 6: Final answer
    x = 137,686,945.09

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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.