Home / 64,164,400.20-96,246,600.30-21,023,200.80

Finding the Fourth Proportional to 64,164,400.20, 96,246,600.30 and 21,023,200.80

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Solution

The fourth proportional to 64,164,400.20, 96,246,600.30 and 21,023,200.80 is: 31,534,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164,400.20 : 96,246,600.30 = 21,023,200.80 : x
  2. Step 2: Convert to fraction form
    64,164,400.20/96,246,600.30 = 21,023,200.80/x
  3. Step 3: Cross multiply
    64,164,400.20x = 96,246,600.30 × 21,023,200.80
  4. Step 4: Simplify right side
    64,164,400.20x = 2,023,411,604,424,240.25
  5. Step 5: Solve for x
    x = 2,023,411,604,424,240.25/64,164,400.20
  6. Step 6: Final answer
    x = 31,534,801.20

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Double scale
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Similar ratio
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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.