Home / 124,280,796.78-186,414,431.94-38,019,203.64

Finding the Fourth Proportional to 124,280,796.78, 186,414,431.94 and 38,019,203.64

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Solution

The fourth proportional to 124,280,796.78, 186,414,431.94 and 38,019,203.64 is: 57,026,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,280,796.78 : 186,414,431.94 = 38,019,203.64 : x
  2. Step 2: Convert to fraction form
    124,280,796.78/186,414,431.94 = 38,019,203.64/x
  3. Step 3: Cross multiply
    124,280,796.78x = 186,414,431.94 × 38,019,203.64
  4. Step 4: Simplify right side
    124,280,796.78x = 7,087,328,249,361,780
  5. Step 5: Solve for x
    x = 7,087,328,249,361,780/124,280,796.78
  6. Step 6: Final answer
    x = 57,026,736.50

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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.