Home / 108,262,890.90-162,394,336.35-31,593,669.30

Finding the Fourth Proportional to 108,262,890.90, 162,394,336.35 and 31,593,669.30

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Solution

The fourth proportional to 108,262,890.90, 162,394,336.35 and 31,593,669.30 is: 47,390,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,262,890.90 : 162,394,336.35 = 31,593,669.30 : x
  2. Step 2: Convert to fraction form
    108,262,890.90/162,394,336.35 = 31,593,669.30/x
  3. Step 3: Cross multiply
    108,262,890.90x = 162,394,336.35 × 31,593,669.30
  4. Step 4: Simplify right side
    108,262,890.90x = 5,130,632,958,834,869
  5. Step 5: Solve for x
    x = 5,130,632,958,834,869/108,262,890.90
  6. Step 6: Final answer
    x = 47,390,503.95

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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.