Home / 258,361,928.79-356,548,071.68-140,893,686.37

Finding the Fourth Proportional to 258,361,928.79, 356,548,071.68 and 140,893,686.37

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Solution

The fourth proportional to 258,361,928.79, 356,548,071.68 and 140,893,686.37 is: 194,437,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,361,928.79 : 356,548,071.68 = 140,893,686.37 : x
  2. Step 2: Convert to fraction form
    258,361,928.79/356,548,071.68 = 140,893,686.37/x
  3. Step 3: Cross multiply
    258,361,928.79x = 356,548,071.68 × 140,893,686.37
  4. Step 4: Simplify right side
    258,361,928.79x = 50,235,372,187,110,200
  5. Step 5: Solve for x
    x = 50,235,372,187,110,200/258,361,928.79
  6. Step 6: Final answer
    x = 194,437,982.49

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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.