Home / 199,722,078.60-299,615,906.70-61,547,709.12

Finding the Fourth Proportional to 199,722,078.60, 299,615,906.70 and 61,547,709.12

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Solution

The fourth proportional to 199,722,078.60, 299,615,906.70 and 61,547,709.12 is: 92,331,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,722,078.60 : 299,615,906.70 = 61,547,709.12 : x
  2. Step 2: Convert to fraction form
    199,722,078.60/299,615,906.70 = 61,547,709.12/x
  3. Step 3: Cross multiply
    199,722,078.60x = 299,615,906.70 × 61,547,709.12
  4. Step 4: Simplify right side
    199,722,078.60x = 18,440,672,673,296,656
  5. Step 5: Solve for x
    x = 18,440,672,673,296,656/199,722,078.60
  6. Step 6: Final answer
    x = 92,331,668.10

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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.