Home / 77,643,388,153.24-107,139,709,553.90-45,084,237,318.52

Finding the Fourth Proportional to 77,643,388,153.24, 107,139,709,553.90 and 45,084,237,318.52

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Solution

The fourth proportional to 77,643,388,153.24, 107,139,709,553.90 and 45,084,237,318.52 is: 62,211,505,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,643,388,153.24 : 107,139,709,553.90 = 45,084,237,318.52 : x
  2. Step 2: Convert to fraction form
    77,643,388,153.24/107,139,709,553.90 = 45,084,237,318.52/x
  3. Step 3: Cross multiply
    77,643,388,153.24x = 107,139,709,553.90 × 45,084,237,318.52
  4. Step 4: Simplify right side
    77,643,388,153.24x = 4,830,312,091,765,224,505,344
  5. Step 5: Solve for x
    x = 4,830,312,091,765,224,505,344/77,643,388,153.24
  6. Step 6: Final answer
    x = 62,211,505,791.48

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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.