Home / 118,205,775.20-177,308,662.80-115,551,567.20

Finding the Fourth Proportional to 118,205,775.20, 177,308,662.80 and 115,551,567.20

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Solution

The fourth proportional to 118,205,775.20, 177,308,662.80 and 115,551,567.20 is: 173,327,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,205,775.20 : 177,308,662.80 = 115,551,567.20 : x
  2. Step 2: Convert to fraction form
    118,205,775.20/177,308,662.80 = 115,551,567.20/x
  3. Step 3: Cross multiply
    118,205,775.20x = 177,308,662.80 × 115,551,567.20
  4. Step 4: Simplify right side
    118,205,775.20x = 20,488,293,864,676,344
  5. Step 5: Solve for x
    x = 20,488,293,864,676,344/118,205,775.20
  6. Step 6: Final answer
    x = 173,327,350.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.