Home / 177,980,277.20-266,970,415.80-75,718,619.60

Finding the Fourth Proportional to 177,980,277.20, 266,970,415.80 and 75,718,619.60

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Solution

The fourth proportional to 177,980,277.20, 266,970,415.80 and 75,718,619.60 is: 113,577,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,980,277.20 : 266,970,415.80 = 75,718,619.60 : x
  2. Step 2: Convert to fraction form
    177,980,277.20/266,970,415.80 = 75,718,619.60/x
  3. Step 3: Cross multiply
    177,980,277.20x = 266,970,415.80 × 75,718,619.60
  4. Step 4: Simplify right side
    177,980,277.20x = 20,214,631,358,414,028
  5. Step 5: Solve for x
    x = 20,214,631,358,414,028/177,980,277.20
  6. Step 6: Final answer
    x = 113,577,929.40

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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.