Home / 64,231,565.60-96,347,348.40-21,107,424.80

Finding the Fourth Proportional to 64,231,565.60, 96,347,348.40 and 21,107,424.80

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Solution

The fourth proportional to 64,231,565.60, 96,347,348.40 and 21,107,424.80 is: 31,661,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231,565.60 : 96,347,348.40 = 21,107,424.80 : x
  2. Step 2: Convert to fraction form
    64,231,565.60/96,347,348.40 = 21,107,424.80/x
  3. Step 3: Cross multiply
    64,231,565.60x = 96,347,348.40 × 21,107,424.80
  4. Step 4: Simplify right side
    64,231,565.60x = 2,033,644,411,032,400.50
  5. Step 5: Solve for x
    x = 2,033,644,411,032,400.50/64,231,565.60
  6. Step 6: Final answer
    x = 31,661,137.20

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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.