Home / 306,938,548.14-423,580,896.63-167,718,327.18

Finding the Fourth Proportional to 306,938,548.14, 423,580,896.63 and 167,718,327.18

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Solution

The fourth proportional to 306,938,548.14, 423,580,896.63 and 167,718,327.18 is: 231,454,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,938,548.14 : 423,580,896.63 = 167,718,327.18 : x
  2. Step 2: Convert to fraction form
    306,938,548.14/423,580,896.63 = 167,718,327.18/x
  3. Step 3: Cross multiply
    306,938,548.14x = 423,580,896.63 × 167,718,327.18
  4. Step 4: Simplify right side
    306,938,548.14x = 71,042,279,408,188,104
  5. Step 5: Solve for x
    x = 71,042,279,408,188,104/306,938,548.14
  6. Step 6: Final answer
    x = 231,454,406.23

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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.