Home / 298,557,374.40-448,035,127.20-136,916,107.20

Finding the Fourth Proportional to 298,557,374.40, 448,035,127.20 and 136,916,107.20

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Solution

The fourth proportional to 298,557,374.40, 448,035,127.20 and 136,916,107.20 is: 205,465,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,557,374.40 : 448,035,127.20 = 136,916,107.20 : x
  2. Step 2: Convert to fraction form
    298,557,374.40/448,035,127.20 = 136,916,107.20/x
  3. Step 3: Cross multiply
    298,557,374.40x = 448,035,127.20 × 136,916,107.20
  4. Step 4: Simplify right side
    298,557,374.40x = 61,343,225,505,080,832
  5. Step 5: Solve for x
    x = 61,343,225,505,080,832/298,557,374.40
  6. Step 6: Final answer
    x = 205,465,450.75

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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.