Home / 217,836,039.60-326,754,059.40-115,547,425.20

Finding the Fourth Proportional to 217,836,039.60, 326,754,059.40 and 115,547,425.20

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Solution

The fourth proportional to 217,836,039.60, 326,754,059.40 and 115,547,425.20 is: 173,321,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,836,039.60 : 326,754,059.40 = 115,547,425.20 : x
  2. Step 2: Convert to fraction form
    217,836,039.60/326,754,059.40 = 115,547,425.20/x
  3. Step 3: Cross multiply
    217,836,039.60x = 326,754,059.40 × 115,547,425.20
  4. Step 4: Simplify right side
    217,836,039.60x = 37,755,590,237,317,856
  5. Step 5: Solve for x
    x = 37,755,590,237,317,856/217,836,039.60
  6. Step 6: Final answer
    x = 173,321,137.80

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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.