Home / 118,098,054.36-162,975,074.42-65,883,976.11

Finding the Fourth Proportional to 118,098,054.36, 162,975,074.42 and 65,883,976.11

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Solution

The fourth proportional to 118,098,054.36, 162,975,074.42 and 65,883,976.11 is: 90,919,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,054.36 : 162,975,074.42 = 65,883,976.11 : x
  2. Step 2: Convert to fraction form
    118,098,054.36/162,975,074.42 = 65,883,976.11/x
  3. Step 3: Cross multiply
    118,098,054.36x = 162,975,074.42 × 65,883,976.11
  4. Step 4: Simplify right side
    118,098,054.36x = 10,737,445,909,777,462
  5. Step 5: Solve for x
    x = 10,737,445,909,777,462/118,098,054.36
  6. Step 6: Final answer
    x = 90,919,752.81

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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.