Home / 255,951,230.21-384,037,448.90-137,637,705.34

Finding the Fourth Proportional to 255,951,230.21, 384,037,448.90 and 137,637,705.34

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Solution

The fourth proportional to 255,951,230.21, 384,037,448.90 and 137,637,705.34 is: 206,516,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,951,230.21 : 384,037,448.90 = 137,637,705.34 : x
  2. Step 2: Convert to fraction form
    255,951,230.21/384,037,448.90 = 137,637,705.34/x
  3. Step 3: Cross multiply
    255,951,230.21x = 384,037,448.90 × 137,637,705.34
  4. Step 4: Simplify right side
    255,951,230.21x = 52,858,033,230,898,592
  5. Step 5: Solve for x
    x = 52,858,033,230,898,592/255,951,230.21
  6. Step 6: Final answer
    x = 206,516,035.06

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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.