Home / 123,880,691.50-170,959,740.94-68,130,427.02

Finding the Fourth Proportional to 123,880,691.50, 170,959,740.94 and 68,130,427.02

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Solution

The fourth proportional to 123,880,691.50, 170,959,740.94 and 68,130,427.02 is: 94,022,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880,691.50 : 170,959,740.94 = 68,130,427.02 : x
  2. Step 2: Convert to fraction form
    123,880,691.50/170,959,740.94 = 68,130,427.02/x
  3. Step 3: Cross multiply
    123,880,691.50x = 170,959,740.94 × 68,130,427.02
  4. Step 4: Simplify right side
    123,880,691.50x = 11,647,560,153,470,776
  5. Step 5: Solve for x
    x = 11,647,560,153,470,776/123,880,691.50
  6. Step 6: Final answer
    x = 94,022,401.82

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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.