Home / 123,428,872.92-185,169,202.02-46,750,203.48

Finding the Fourth Proportional to 123,428,872.92, 185,169,202.02 and 46,750,203.48

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Solution

The fourth proportional to 123,428,872.92, 185,169,202.02 and 46,750,203.48 is: 70,135,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,428,872.92 : 185,169,202.02 = 46,750,203.48 : x
  2. Step 2: Convert to fraction form
    123,428,872.92/185,169,202.02 = 46,750,203.48/x
  3. Step 3: Cross multiply
    123,428,872.92x = 185,169,202.02 × 46,750,203.48
  4. Step 4: Simplify right side
    123,428,872.92x = 8,656,697,872,664,227
  5. Step 5: Solve for x
    x = 8,656,697,872,664,227/123,428,872.92
  6. Step 6: Final answer
    x = 70,135,112.38

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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.