Home / 330,133,987.30-495,185,234.55-111,762,912.10

Finding the Fourth Proportional to 330,133,987.30, 495,185,234.55 and 111,762,912.10

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Solution

The fourth proportional to 330,133,987.30, 495,185,234.55 and 111,762,912.10 is: 167,639,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,133,987.30 : 495,185,234.55 = 111,762,912.10 : x
  2. Step 2: Convert to fraction form
    330,133,987.30/495,185,234.55 = 111,762,912.10/x
  3. Step 3: Cross multiply
    330,133,987.30x = 495,185,234.55 × 111,762,912.10
  4. Step 4: Simplify right side
    330,133,987.30x = 55,343,343,842,229,528
  5. Step 5: Solve for x
    x = 55,343,343,842,229,528/330,133,987.30
  6. Step 6: Final answer
    x = 167,639,037.39

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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.