Home / 90,893,391.96-125,435,976.21-53,755,507.56

Finding the Fourth Proportional to 90,893,391.96, 125,435,976.21 and 53,755,507.56

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Solution

The fourth proportional to 90,893,391.96, 125,435,976.21 and 53,755,507.56 is: 74,184,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,391.96 : 125,435,976.21 = 53,755,507.56 : x
  2. Step 2: Convert to fraction form
    90,893,391.96/125,435,976.21 = 53,755,507.56/x
  3. Step 3: Cross multiply
    90,893,391.96x = 125,435,976.21 × 53,755,507.56
  4. Step 4: Simplify right side
    90,893,391.96x = 6,742,874,567,452,635
  5. Step 5: Solve for x
    x = 6,742,874,567,452,635/90,893,391.96
  6. Step 6: Final answer
    x = 74,184,431.04

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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.