Home / 104,976,125.15-157,464,187.73-72,664,512.35

Finding the Fourth Proportional to 104,976,125.15, 157,464,187.73 and 72,664,512.35

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Solution

The fourth proportional to 104,976,125.15, 157,464,187.73 and 72,664,512.35 is: 108,996,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,125.15 : 157,464,187.73 = 72,664,512.35 : x
  2. Step 2: Convert to fraction form
    104,976,125.15/157,464,187.73 = 72,664,512.35/x
  3. Step 3: Cross multiply
    104,976,125.15x = 157,464,187.73 × 72,664,512.35
  4. Step 4: Simplify right side
    104,976,125.15x = 11,442,058,413,989,302
  5. Step 5: Solve for x
    x = 11,442,058,413,989,302/104,976,125.15
  6. Step 6: Final answer
    x = 108,996,768.53

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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.