Home / 430,970,719.07-646,456,087.19-103,446,232.25

Finding the Fourth Proportional to 430,970,719.07, 646,456,087.19 and 103,446,232.25

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Solution

The fourth proportional to 430,970,719.07, 646,456,087.19 and 103,446,232.25 is: 155,169,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,719.07 : 646,456,087.19 = 103,446,232.25 : x
  2. Step 2: Convert to fraction form
    430,970,719.07/646,456,087.19 = 103,446,232.25/x
  3. Step 3: Cross multiply
    430,970,719.07x = 646,456,087.19 × 103,446,232.25
  4. Step 4: Simplify right side
    430,970,719.07x = 66,873,446,531,909,328
  5. Step 5: Solve for x
    x = 66,873,446,531,909,328/430,970,719.07
  6. Step 6: Final answer
    x = 155,169,350.43

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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.