Home / 146,690,155.60-202,348,119.32-91,590,352.72

Finding the Fourth Proportional to 146,690,155.60, 202,348,119.32 and 91,590,352.72

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Solution

The fourth proportional to 146,690,155.60, 202,348,119.32 and 91,590,352.72 is: 126,342,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690,155.60 : 202,348,119.32 = 91,590,352.72 : x
  2. Step 2: Convert to fraction form
    146,690,155.60/202,348,119.32 = 91,590,352.72/x
  3. Step 3: Cross multiply
    146,690,155.60x = 202,348,119.32 × 91,590,352.72
  4. Step 4: Simplify right side
    146,690,155.60x = 18,533,135,620,747,444
  5. Step 5: Solve for x
    x = 18,533,135,620,747,444/146,690,155.60
  6. Step 6: Final answer
    x = 126,342,054.41

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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.