Home / 215,630,013.20-323,224,570.20-106,287,011.60

Finding the Fourth Proportional to 215,630,013.20, 323,224,570.20 and 106,287,011.60

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Solution

The fourth proportional to 215,630,013.20, 323,224,570.20 and 106,287,011.60 is: 159,321,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,630,013.20 : 323,224,570.20 = 106,287,011.60 : x
  2. Step 2: Convert to fraction form
    215,630,013.20/323,224,570.20 = 106,287,011.60/x
  3. Step 3: Cross multiply
    215,630,013.20x = 323,224,570.20 × 106,287,011.60
  4. Step 4: Simplify right side
    215,630,013.20x = 34,354,573,642,252,412
  5. Step 5: Solve for x
    x = 34,354,573,642,252,412/215,630,013.20
  6. Step 6: Final answer
    x = 159,321,854.75

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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.