Home / 258,169,181.90-387,368,131.11-135,318,303.29

Finding the Fourth Proportional to 258,169,181.90, 387,368,131.11 and 135,318,303.29

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Solution

The fourth proportional to 258,169,181.90, 387,368,131.11 and 135,318,303.29 is: 203,037,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,169,181.90 : 387,368,131.11 = 135,318,303.29 : x
  2. Step 2: Convert to fraction form
    258,169,181.90/387,368,131.11 = 135,318,303.29/x
  3. Step 3: Cross multiply
    258,169,181.90x = 387,368,131.11 × 135,318,303.29
  4. Step 4: Simplify right side
    258,169,181.90x = 52,417,998,248,707,424
  5. Step 5: Solve for x
    x = 52,417,998,248,707,424/258,169,181.90
  6. Step 6: Final answer
    x = 203,037,395.33

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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.