Home / 172,049,415,998.40-258,074,123,997.60-137,220,898,622.40

Finding the Fourth Proportional to 172,049,415,998.40, 258,074,123,997.60 and 137,220,898,622.40

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Solution

The fourth proportional to 172,049,415,998.40, 258,074,123,997.60 and 137,220,898,622.40 is: 205,831,347,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,049,415,998.40 : 258,074,123,997.60 = 137,220,898,622.40 : x
  2. Step 2: Convert to fraction form
    172,049,415,998.40/258,074,123,997.60 = 137,220,898,622.40/x
  3. Step 3: Cross multiply
    172,049,415,998.40x = 258,074,123,997.60 × 137,220,898,622.40
  4. Step 4: Simplify right side
    172,049,415,998.40x = 35,413,163,206,139,357,167,616
  5. Step 5: Solve for x
    x = 35,413,163,206,139,357,167,616/172,049,415,998.40
  6. Step 6: Final answer
    x = 205,831,347,933.60

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Double scale
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1.5x scale

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.