Home / 115,168,193.25-158,933,164.20-65,607,832.42

Finding the Fourth Proportional to 115,168,193.25, 158,933,164.20 and 65,607,832.42

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Solution

The fourth proportional to 115,168,193.25, 158,933,164.20 and 65,607,832.42 is: 90,539,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,168,193.25 : 158,933,164.20 = 65,607,832.42 : x
  2. Step 2: Convert to fraction form
    115,168,193.25/158,933,164.20 = 65,607,832.42/x
  3. Step 3: Cross multiply
    115,168,193.25x = 158,933,164.20 × 65,607,832.42
  4. Step 4: Simplify right side
    115,168,193.25x = 10,427,260,402,766,580
  5. Step 5: Solve for x
    x = 10,427,260,402,766,580/115,168,193.25
  6. Step 6: Final answer
    x = 90,539,411.17

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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.