Home / 215,365,862.40-323,048,793.60-193,866,777.60

Finding the Fourth Proportional to 215,365,862.40, 323,048,793.60 and 193,866,777.60

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Solution

The fourth proportional to 215,365,862.40, 323,048,793.60 and 193,866,777.60 is: 290,800,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,365,862.40 : 323,048,793.60 = 193,866,777.60 : x
  2. Step 2: Convert to fraction form
    215,365,862.40/323,048,793.60 = 193,866,777.60/x
  3. Step 3: Cross multiply
    215,365,862.40x = 323,048,793.60 × 193,866,777.60
  4. Step 4: Simplify right side
    215,365,862.40x = 62,628,428,622,799,504
  5. Step 5: Solve for x
    x = 62,628,428,622,799,504/215,365,862.40
  6. Step 6: Final answer
    x = 290,800,166.40

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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.