Home / 199,585,912.40-299,378,868.60-97,415,493.20

Finding the Fourth Proportional to 199,585,912.40, 299,378,868.60 and 97,415,493.20

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Solution

The fourth proportional to 199,585,912.40, 299,378,868.60 and 97,415,493.20 is: 146,123,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,585,912.40 : 299,378,868.60 = 97,415,493.20 : x
  2. Step 2: Convert to fraction form
    199,585,912.40/299,378,868.60 = 97,415,493.20/x
  3. Step 3: Cross multiply
    199,585,912.40x = 299,378,868.60 × 97,415,493.20
  4. Step 4: Simplify right side
    199,585,912.40x = 29,164,140,138,326,996
  5. Step 5: Solve for x
    x = 29,164,140,138,326,996/199,585,912.40
  6. Step 6: Final answer
    x = 146,123,239.80

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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.