Home / 171,679,969.40-257,519,954.10-164,983,812.80

Finding the Fourth Proportional to 171,679,969.40, 257,519,954.10 and 164,983,812.80

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Solution

The fourth proportional to 171,679,969.40, 257,519,954.10 and 164,983,812.80 is: 247,475,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679,969.40 : 257,519,954.10 = 164,983,812.80 : x
  2. Step 2: Convert to fraction form
    171,679,969.40/257,519,954.10 = 164,983,812.80/x
  3. Step 3: Cross multiply
    171,679,969.40x = 257,519,954.10 × 164,983,812.80
  4. Step 4: Simplify right side
    171,679,969.40x = 42,486,623,899,498,992
  5. Step 5: Solve for x
    x = 42,486,623,899,498,992/171,679,969.40
  6. Step 6: Final answer
    x = 247,475,719.20

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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.