Home / 309,904,026.60-427,714,051.68-235,442,056.62

Finding the Fourth Proportional to 309,904,026.60, 427,714,051.68 and 235,442,056.62

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Solution

The fourth proportional to 309,904,026.60, 427,714,051.68 and 235,442,056.62 is: 324,945,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,904,026.60 : 427,714,051.68 = 235,442,056.62 : x
  2. Step 2: Convert to fraction form
    309,904,026.60/427,714,051.68 = 235,442,056.62/x
  3. Step 3: Cross multiply
    309,904,026.60x = 427,714,051.68 × 235,442,056.62
  4. Step 4: Simplify right side
    309,904,026.60x = 100,701,875,972,812,176
  5. Step 5: Solve for x
    x = 100,701,875,972,812,176/309,904,026.60
  6. Step 6: Final answer
    x = 324,945,361.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.