Home / 172,214,215.96-258,442,372.90-155,748,845.08

Finding the Fourth Proportional to 172,214,215.96, 258,442,372.90 and 155,748,845.08

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Solution

The fourth proportional to 172,214,215.96, 258,442,372.90 and 155,748,845.08 is: 233,732,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,214,215.96 : 258,442,372.90 = 155,748,845.08 : x
  2. Step 2: Convert to fraction form
    172,214,215.96/258,442,372.90 = 155,748,845.08/x
  3. Step 3: Cross multiply
    172,214,215.96x = 258,442,372.90 × 155,748,845.08
  4. Step 4: Simplify right side
    172,214,215.96x = 40,252,101,098,909,696
  5. Step 5: Solve for x
    x = 40,252,101,098,909,696/172,214,215.96
  6. Step 6: Final answer
    x = 233,732,743.11

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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.