Home / 257,408,525.92-354,890,346.72-166,720,669.92

Finding the Fourth Proportional to 257,408,525.92, 354,890,346.72 and 166,720,669.92

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Solution

The fourth proportional to 257,408,525.92, 354,890,346.72 and 166,720,669.92 is: 229,858,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,408,525.92 : 354,890,346.72 = 166,720,669.92 : x
  2. Step 2: Convert to fraction form
    257,408,525.92/354,890,346.72 = 166,720,669.92/x
  3. Step 3: Cross multiply
    257,408,525.92x = 354,890,346.72 × 166,720,669.92
  4. Step 4: Simplify right side
    257,408,525.92x = 59,167,556,353,299,472
  5. Step 5: Solve for x
    x = 59,167,556,353,299,472/257,408,525.92
  6. Step 6: Final answer
    x = 229,858,572.64

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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.