Home / 199,709,076.40-299,227,691.40-170,819,681.20

Finding the Fourth Proportional to 199,709,076.40, 299,227,691.40 and 170,819,681.20

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Solution

The fourth proportional to 199,709,076.40, 299,227,691.40 and 170,819,681.20 is: 255,942,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,709,076.40 : 299,227,691.40 = 170,819,681.20 : x
  2. Step 2: Convert to fraction form
    199,709,076.40/299,227,691.40 = 170,819,681.20/x
  3. Step 3: Cross multiply
    199,709,076.40x = 299,227,691.40 × 170,819,681.20
  4. Step 4: Simplify right side
    199,709,076.40x = 51,113,978,851,159,976
  5. Step 5: Solve for x
    x = 51,113,978,851,159,976/199,709,076.40
  6. Step 6: Final answer
    x = 255,942,192.38

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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.