Home / 129,361,552,110.90-194,042,328,166.35-79,077,880,149.30

Finding the Fourth Proportional to 129,361,552,110.90, 194,042,328,166.35 and 79,077,880,149.30

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Solution

The fourth proportional to 129,361,552,110.90, 194,042,328,166.35 and 79,077,880,149.30 is: 118,616,820,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361,552,110.90 : 194,042,328,166.35 = 79,077,880,149.30 : x
  2. Step 2: Convert to fraction form
    129,361,552,110.90/194,042,328,166.35 = 79,077,880,149.30/x
  3. Step 3: Cross multiply
    129,361,552,110.90x = 194,042,328,166.35 × 79,077,880,149.30
  4. Step 4: Simplify right side
    129,361,552,110.90x = 15,344,455,970,629,766,610,944
  5. Step 5: Solve for x
    x = 15,344,455,970,629,766,610,944/129,361,552,110.90
  6. Step 6: Final answer
    x = 118,616,820,223.95

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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.