Home / 201,454,178.80-302,181,268.20-185,581,807.60

Finding the Fourth Proportional to 201,454,178.80, 302,181,268.20 and 185,581,807.60

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Solution

The fourth proportional to 201,454,178.80, 302,181,268.20 and 185,581,807.60 is: 278,372,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,454,178.80 : 302,181,268.20 = 185,581,807.60 : x
  2. Step 2: Convert to fraction form
    201,454,178.80/302,181,268.20 = 185,581,807.60/x
  3. Step 3: Cross multiply
    201,454,178.80x = 302,181,268.20 × 185,581,807.60
  4. Step 4: Simplify right side
    201,454,178.80x = 56,079,345,975,416,392
  5. Step 5: Solve for x
    x = 56,079,345,975,416,392/201,454,178.80
  6. Step 6: Final answer
    x = 278,372,711.40

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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.