Home / 323,702,623.08-485,613,812.25-102,429,673.47

Finding the Fourth Proportional to 323,702,623.08, 485,613,812.25 and 102,429,673.47

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Solution

The fourth proportional to 323,702,623.08, 485,613,812.25 and 102,429,673.47 is: 153,663,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,702,623.08 : 485,613,812.25 = 102,429,673.47 : x
  2. Step 2: Convert to fraction form
    323,702,623.08/485,613,812.25 = 102,429,673.47/x
  3. Step 3: Cross multiply
    323,702,623.08x = 485,613,812.25 × 102,429,673.47
  4. Step 4: Simplify right side
    323,702,623.08x = 49,741,264,221,289,384
  5. Step 5: Solve for x
    x = 49,741,264,221,289,384/323,702,623.08
  6. Step 6: Final answer
    x = 153,663,457.37

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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.