Home / 118,080,086.40-177,120,129.60-116,487,561.60

Finding the Fourth Proportional to 118,080,086.40, 177,120,129.60 and 116,487,561.60

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Solution

The fourth proportional to 118,080,086.40, 177,120,129.60 and 116,487,561.60 is: 174,731,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,080,086.40 : 177,120,129.60 = 116,487,561.60 : x
  2. Step 2: Convert to fraction form
    118,080,086.40/177,120,129.60 = 116,487,561.60/x
  3. Step 3: Cross multiply
    118,080,086.40x = 177,120,129.60 × 116,487,561.60
  4. Step 4: Simplify right side
    118,080,086.40x = 20,632,292,007,379,980
  5. Step 5: Solve for x
    x = 20,632,292,007,379,980/118,080,086.40
  6. Step 6: Final answer
    x = 174,731,342.40

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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.