Home / 108,611,920.80-162,917,881.20-62,695,418.40

Finding the Fourth Proportional to 108,611,920.80, 162,917,881.20 and 62,695,418.40

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Solution

The fourth proportional to 108,611,920.80, 162,917,881.20 and 62,695,418.40 is: 94,043,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611,920.80 : 162,917,881.20 = 62,695,418.40 : x
  2. Step 2: Convert to fraction form
    108,611,920.80/162,917,881.20 = 62,695,418.40/x
  3. Step 3: Cross multiply
    108,611,920.80x = 162,917,881.20 × 62,695,418.40
  4. Step 4: Simplify right side
    108,611,920.80x = 10,214,204,726,675,494
  5. Step 5: Solve for x
    x = 10,214,204,726,675,494/108,611,920.80
  6. Step 6: Final answer
    x = 94,043,127.60

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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.