Home / 108,262,934.40-162,394,401.60-31,593,712.80

Finding the Fourth Proportional to 108,262,934.40, 162,394,401.60 and 31,593,712.80

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Solution

The fourth proportional to 108,262,934.40, 162,394,401.60 and 31,593,712.80 is: 47,390,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,262,934.40 : 162,394,401.60 = 31,593,712.80 : x
  2. Step 2: Convert to fraction form
    108,262,934.40/162,394,401.60 = 31,593,712.80/x
  3. Step 3: Cross multiply
    108,262,934.40x = 162,394,401.60 × 31,593,712.80
  4. Step 4: Simplify right side
    108,262,934.40x = 5,130,642,084,478,260
  5. Step 5: Solve for x
    x = 5,130,642,084,478,260/108,262,934.40
  6. Step 6: Final answer
    x = 47,390,569.20

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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.