Home / 430,970,716.82-646,456,083.82-103,446,230.00

Finding the Fourth Proportional to 430,970,716.82, 646,456,083.82 and 103,446,230.00

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Solution

The fourth proportional to 430,970,716.82, 646,456,083.82 and 103,446,230.00 is: 155,169,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,716.82 : 646,456,083.82 = 103,446,230.00 : x
  2. Step 2: Convert to fraction form
    430,970,716.82/646,456,083.82 = 103,446,230.00/x
  3. Step 3: Cross multiply
    430,970,716.82x = 646,456,083.82 × 103,446,230.00
  4. Step 4: Simplify right side
    430,970,716.82x = 66,873,444,728,252,104
  5. Step 5: Solve for x
    x = 66,873,444,728,252,104/430,970,716.82
  6. Step 6: Final answer
    x = 155,169,347.05

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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.