Home / 217,733,028.60-326,599,542.90-145,173,617.40

Finding the Fourth Proportional to 217,733,028.60, 326,599,542.90 and 145,173,617.40

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Solution

The fourth proportional to 217,733,028.60, 326,599,542.90 and 145,173,617.40 is: 217,760,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,733,028.60 : 326,599,542.90 = 145,173,617.40 : x
  2. Step 2: Convert to fraction form
    217,733,028.60/326,599,542.90 = 145,173,617.40/x
  3. Step 3: Cross multiply
    217,733,028.60x = 326,599,542.90 × 145,173,617.40
  4. Step 4: Simplify right side
    217,733,028.60x = 47,413,637,083,979,488
  5. Step 5: Solve for x
    x = 47,413,637,083,979,488/217,733,028.60
  6. Step 6: Final answer
    x = 217,760,426.10

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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.