Home / 199,447,367.36-299,265,796.56-138,130,885.76

Finding the Fourth Proportional to 199,447,367.36, 299,265,796.56 and 138,130,885.76

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Solution

The fourth proportional to 199,447,367.36, 299,265,796.56 and 138,130,885.76 is: 207,261,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,447,367.36 : 299,265,796.56 = 138,130,885.76 : x
  2. Step 2: Convert to fraction form
    199,447,367.36/299,265,796.56 = 138,130,885.76/x
  3. Step 3: Cross multiply
    199,447,367.36x = 299,265,796.56 × 138,130,885.76
  4. Step 4: Simplify right side
    199,447,367.36x = 41,337,849,556,504,760
  5. Step 5: Solve for x
    x = 41,337,849,556,504,760/199,447,367.36
  6. Step 6: Final answer
    x = 207,261,946.37

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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.