Home / 172,998,819.02-238,739,002.72-93,613,880.90

Finding the Fourth Proportional to 172,998,819.02, 238,739,002.72 and 93,613,880.90

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Solution

The fourth proportional to 172,998,819.02, 238,739,002.72 and 93,613,880.90 is: 129,187,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,998,819.02 : 238,739,002.72 = 93,613,880.90 : x
  2. Step 2: Convert to fraction form
    172,998,819.02/238,739,002.72 = 93,613,880.90/x
  3. Step 3: Cross multiply
    172,998,819.02x = 238,739,002.72 × 93,613,880.90
  4. Step 4: Simplify right side
    172,998,819.02x = 22,349,284,566,814,856
  5. Step 5: Solve for x
    x = 22,349,284,566,814,856/172,998,819.02
  6. Step 6: Final answer
    x = 129,187,497.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.