Home / 123,812,177.02-170,858,888.84-68,056,404.37

Finding the Fourth Proportional to 123,812,177.02, 170,858,888.84 and 68,056,404.37

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Solution

The fourth proportional to 123,812,177.02, 170,858,888.84 and 68,056,404.37 is: 93,916,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,812,177.02 : 170,858,888.84 = 68,056,404.37 : x
  2. Step 2: Convert to fraction form
    123,812,177.02/170,858,888.84 = 68,056,404.37/x
  3. Step 3: Cross multiply
    123,812,177.02x = 170,858,888.84 × 68,056,404.37
  4. Step 4: Simplify right side
    123,812,177.02x = 11,628,041,627,909,344
  5. Step 5: Solve for x
    x = 11,628,041,627,909,344/123,812,177.02
  6. Step 6: Final answer
    x = 93,916,785.15

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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.