Home / 330,094,987.20-495,142,480.80-177,039,979.20

Finding the Fourth Proportional to 330,094,987.20, 495,142,480.80 and 177,039,979.20

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Solution

The fourth proportional to 330,094,987.20, 495,142,480.80 and 177,039,979.20 is: 265,559,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,094,987.20 : 495,142,480.80 = 177,039,979.20 : x
  2. Step 2: Convert to fraction form
    330,094,987.20/495,142,480.80 = 177,039,979.20/x
  3. Step 3: Cross multiply
    330,094,987.20x = 495,142,480.80 × 177,039,979.20
  4. Step 4: Simplify right side
    330,094,987.20x = 87,660,014,501,868,400
  5. Step 5: Solve for x
    x = 87,660,014,501,868,400/330,094,987.20
  6. Step 6: Final answer
    x = 265,559,968.80

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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.