Home / 118,250,778.45-162,000,860.21-113,829,641.31

Finding the Fourth Proportional to 118,250,778.45, 162,000,860.21 and 113,829,641.31

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Solution

The fourth proportional to 118,250,778.45, 162,000,860.21 and 113,829,641.31 is: 155,944,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,250,778.45 : 162,000,860.21 = 113,829,641.31 : x
  2. Step 2: Convert to fraction form
    118,250,778.45/162,000,860.21 = 113,829,641.31/x
  3. Step 3: Cross multiply
    118,250,778.45x = 162,000,860.21 × 113,829,641.31
  4. Step 4: Simplify right side
    118,250,778.45x = 18,440,499,809,900,328
  5. Step 5: Solve for x
    x = 18,440,499,809,900,328/118,250,778.45
  6. Step 6: Final answer
    x = 155,944,003.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.