Home / 118,297,350.80-177,147,427.80-77,687,968.40

Finding the Fourth Proportional to 118,297,350.80, 177,147,427.80 and 77,687,968.40

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Solution

The fourth proportional to 118,297,350.80, 177,147,427.80 and 77,687,968.40 is: 116,335,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,297,350.80 : 177,147,427.80 = 77,687,968.40 : x
  2. Step 2: Convert to fraction form
    118,297,350.80/177,147,427.80 = 77,687,968.40/x
  3. Step 3: Cross multiply
    118,297,350.80x = 177,147,427.80 × 77,687,968.40
  4. Step 4: Simplify right side
    118,297,350.80x = 13,762,223,773,067,684
  5. Step 5: Solve for x
    x = 13,762,223,773,067,684/118,297,350.80
  6. Step 6: Final answer
    x = 116,335,857.73

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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.