Home / 66,534,441.60-99,792,331.20-21,100,828.80

Finding the Fourth Proportional to 66,534,441.60, 99,792,331.20 and 21,100,828.80

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Solution

The fourth proportional to 66,534,441.60, 99,792,331.20 and 21,100,828.80 is: 31,648,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534,441.60 : 99,792,331.20 = 21,100,828.80 : x
  2. Step 2: Convert to fraction form
    66,534,441.60/99,792,331.20 = 21,100,828.80/x
  3. Step 3: Cross multiply
    66,534,441.60x = 99,792,331.20 × 21,100,828.80
  4. Step 4: Simplify right side
    66,534,441.60x = 2,105,700,896,204,098.75
  5. Step 5: Solve for x
    x = 2,105,700,896,204,098.75/66,534,441.60
  6. Step 6: Final answer
    x = 31,648,283.89

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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.