Home / 170,831,262.30-256,246,893.45-142,109,828.70

Finding the Fourth Proportional to 170,831,262.30, 256,246,893.45 and 142,109,828.70

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Solution

The fourth proportional to 170,831,262.30, 256,246,893.45 and 142,109,828.70 is: 213,164,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,831,262.30 : 256,246,893.45 = 142,109,828.70 : x
  2. Step 2: Convert to fraction form
    170,831,262.30/256,246,893.45 = 142,109,828.70/x
  3. Step 3: Cross multiply
    170,831,262.30x = 256,246,893.45 × 142,109,828.70
  4. Step 4: Simplify right side
    170,831,262.30x = 36,415,202,133,086,648
  5. Step 5: Solve for x
    x = 36,415,202,133,086,648/170,831,262.30
  6. Step 6: Final answer
    x = 213,164,743.05

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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.