Home / 126,860,728.60-190,291,933.67-49,146,263.60

Finding the Fourth Proportional to 126,860,728.60, 190,291,933.67 and 49,146,263.60

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Solution

The fourth proportional to 126,860,728.60, 190,291,933.67 and 49,146,263.60 is: 73,719,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,860,728.60 : 190,291,933.67 = 49,146,263.60 : x
  2. Step 2: Convert to fraction form
    126,860,728.60/190,291,933.67 = 49,146,263.60/x
  3. Step 3: Cross multiply
    126,860,728.60x = 190,291,933.67 × 49,146,263.60
  4. Step 4: Simplify right side
    126,860,728.60x = 9,352,137,531,902,344
  5. Step 5: Solve for x
    x = 9,352,137,531,902,344/126,860,728.60
  6. Step 6: Final answer
    x = 73,719,721.11

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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.