Home / 275,574,191.46-380,291,718.40-150,127,418.21

Finding the Fourth Proportional to 275,574,191.46, 380,291,718.40 and 150,127,418.21

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Solution

The fourth proportional to 275,574,191.46, 380,291,718.40 and 150,127,418.21 is: 207,175,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,574,191.46 : 380,291,718.40 = 150,127,418.21 : x
  2. Step 2: Convert to fraction form
    275,574,191.46/380,291,718.40 = 150,127,418.21/x
  3. Step 3: Cross multiply
    275,574,191.46x = 380,291,718.40 × 150,127,418.21
  4. Step 4: Simplify right side
    275,574,191.46x = 57,092,213,848,998,016
  5. Step 5: Solve for x
    x = 57,092,213,848,998,016/275,574,191.46
  6. Step 6: Final answer
    x = 207,175,474.41

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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.