Home / 219,883,763.20-329,862,969.60-66,528,601.60

Finding the Fourth Proportional to 219,883,763.20, 329,862,969.60 and 66,528,601.60

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Solution

The fourth proportional to 219,883,763.20, 329,862,969.60 and 66,528,601.60 is: 99,804,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883,763.20 : 329,862,969.60 = 66,528,601.60 : x
  2. Step 2: Convert to fraction form
    219,883,763.20/329,862,969.60 = 66,528,601.60/x
  3. Step 3: Cross multiply
    219,883,763.20x = 329,862,969.60 × 66,528,601.60
  4. Step 4: Simplify right side
    219,883,763.20x = 21,945,322,087,111,312
  5. Step 5: Solve for x
    x = 21,945,322,087,111,312/219,883,763.20
  6. Step 6: Final answer
    x = 99,804,195.49

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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.