Home / 272,787,405.35-409,439,799.27-168,842,185.43

Finding the Fourth Proportional to 272,787,405.35, 409,439,799.27 and 168,842,185.43

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Solution

The fourth proportional to 272,787,405.35, 409,439,799.27 and 168,842,185.43 is: 253,423,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,787,405.35 : 409,439,799.27 = 168,842,185.43 : x
  2. Step 2: Convert to fraction form
    272,787,405.35/409,439,799.27 = 168,842,185.43/x
  3. Step 3: Cross multiply
    272,787,405.35x = 409,439,799.27 × 168,842,185.43
  4. Step 4: Simplify right side
    272,787,405.35x = 69,130,710,508,720,120
  5. Step 5: Solve for x
    x = 69,130,710,508,720,120/272,787,405.35
  6. Step 6: Final answer
    x = 253,423,395.49

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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.