Home / 206,928,031.41-285,567,577.07-112,847,311.53

Finding the Fourth Proportional to 206,928,031.41, 285,567,577.07 and 112,847,311.53

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Solution

The fourth proportional to 206,928,031.41, 285,567,577.07 and 112,847,311.53 is: 155,733,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,928,031.41 : 285,567,577.07 = 112,847,311.53 : x
  2. Step 2: Convert to fraction form
    206,928,031.41/285,567,577.07 = 112,847,311.53/x
  3. Step 3: Cross multiply
    206,928,031.41x = 285,567,577.07 × 112,847,311.53
  4. Step 4: Simplify right side
    206,928,031.41x = 32,225,533,331,921,340
  5. Step 5: Solve for x
    x = 32,225,533,331,921,340/206,928,031.41
  6. Step 6: Final answer
    x = 155,733,049.37

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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.