Home / 172,300,214.82-237,775,035.72-93,985,474.98

Finding the Fourth Proportional to 172,300,214.82, 237,775,035.72 and 93,985,474.98

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Solution

The fourth proportional to 172,300,214.82, 237,775,035.72 and 93,985,474.98 is: 129,700,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,300,214.82 : 237,775,035.72 = 93,985,474.98 : x
  2. Step 2: Convert to fraction form
    172,300,214.82/237,775,035.72 = 93,985,474.98/x
  3. Step 3: Cross multiply
    172,300,214.82x = 237,775,035.72 × 93,985,474.98
  4. Step 4: Simplify right side
    172,300,214.82x = 22,347,399,670,530,668
  5. Step 5: Solve for x
    x = 22,347,399,670,530,668/172,300,214.82
  6. Step 6: Final answer
    x = 129,700,358.72

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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.