Home / 85,469,228.40-128,203,842.60-24,886,930.80

Finding the Fourth Proportional to 85,469,228.40, 128,203,842.60 and 24,886,930.80

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Solution

The fourth proportional to 85,469,228.40, 128,203,842.60 and 24,886,930.80 is: 37,330,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,469,228.40 : 128,203,842.60 = 24,886,930.80 : x
  2. Step 2: Convert to fraction form
    85,469,228.40/128,203,842.60 = 24,886,930.80/x
  3. Step 3: Cross multiply
    85,469,228.40x = 128,203,842.60 × 24,886,930.80
  4. Step 4: Simplify right side
    85,469,228.40x = 3,190,600,159,080,292
  5. Step 5: Solve for x
    x = 3,190,600,159,080,292/85,469,228.40
  6. Step 6: Final answer
    x = 37,330,396.20

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1.5x scale

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.