Home / 123,880,149.18-170,959,100.50-70,967,083.26

Finding the Fourth Proportional to 123,880,149.18, 170,959,100.50 and 70,967,083.26

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Solution

The fourth proportional to 123,880,149.18, 170,959,100.50 and 70,967,083.26 is: 97,937,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880,149.18 : 170,959,100.50 = 70,967,083.26 : x
  2. Step 2: Convert to fraction form
    123,880,149.18/170,959,100.50 = 70,967,083.26/x
  3. Step 3: Cross multiply
    123,880,149.18x = 170,959,100.50 × 70,967,083.26
  4. Step 4: Simplify right side
    123,880,149.18x = 12,132,468,719,147,356
  5. Step 5: Solve for x
    x = 12,132,468,719,147,356/123,880,149.18
  6. Step 6: Final answer
    x = 97,937,149.73

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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.