Home / 64,231,570.60-96,347,355.90-21,107,429.80

Finding the Fourth Proportional to 64,231,570.60, 96,347,355.90 and 21,107,429.80

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Solution

The fourth proportional to 64,231,570.60, 96,347,355.90 and 21,107,429.80 is: 31,661,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231,570.60 : 96,347,355.90 = 21,107,429.80 : x
  2. Step 2: Convert to fraction form
    64,231,570.60/96,347,355.90 = 21,107,429.80/x
  3. Step 3: Cross multiply
    64,231,570.60x = 96,347,355.90 × 21,107,429.80
  4. Step 4: Simplify right side
    64,231,570.60x = 2,033,645,051,074,866
  5. Step 5: Solve for x
    x = 2,033,645,051,074,866/64,231,570.60
  6. Step 6: Final answer
    x = 31,661,144.70

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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.