Home / 108,172,270.90-149,277,865.08-58,612,605.49

Finding the Fourth Proportional to 108,172,270.90, 149,277,865.08 and 58,612,605.49

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Solution

The fourth proportional to 108,172,270.90, 149,277,865.08 and 58,612,605.49 is: 80,885,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172,270.90 : 149,277,865.08 = 58,612,605.49 : x
  2. Step 2: Convert to fraction form
    108,172,270.90/149,277,865.08 = 58,612,605.49/x
  3. Step 3: Cross multiply
    108,172,270.90x = 149,277,865.08 × 58,612,605.49
  4. Step 4: Simplify right side
    108,172,270.90x = 8,749,564,614,323,488
  5. Step 5: Solve for x
    x = 8,749,564,614,323,488/108,172,270.90
  6. Step 6: Final answer
    x = 80,885,466.69

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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.