Home / 172,214,492.25-258,442,791.02-155,749,123.29

Finding the Fourth Proportional to 172,214,492.25, 258,442,791.02 and 155,749,123.29

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Solution

The fourth proportional to 172,214,492.25, 258,442,791.02 and 155,749,123.29 is: 233,733,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,214,492.25 : 258,442,791.02 = 155,749,123.29 : x
  2. Step 2: Convert to fraction form
    172,214,492.25/258,442,791.02 = 155,749,123.29/x
  3. Step 3: Cross multiply
    172,214,492.25x = 258,442,791.02 × 155,749,123.29
  4. Step 4: Simplify right side
    172,214,492.25x = 40,252,238,121,985,688
  5. Step 5: Solve for x
    x = 40,252,238,121,985,688/172,214,492.25
  6. Step 6: Final answer
    x = 233,733,163.78

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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.