Home / 188,437,374.80-260,025,661.32-110,139,275.60

Finding the Fourth Proportional to 188,437,374.80, 260,025,661.32 and 110,139,275.60

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Solution

The fourth proportional to 188,437,374.80, 260,025,661.32 and 110,139,275.60 is: 151,981,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,437,374.80 : 260,025,661.32 = 110,139,275.60 : x
  2. Step 2: Convert to fraction form
    188,437,374.80/260,025,661.32 = 110,139,275.60/x
  3. Step 3: Cross multiply
    188,437,374.80x = 260,025,661.32 × 110,139,275.60
  4. Step 4: Simplify right side
    188,437,374.80x = 28,639,037,975,195,736
  5. Step 5: Solve for x
    x = 28,639,037,975,195,736/188,437,374.80
  6. Step 6: Final answer
    x = 151,981,728.71

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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.