Home / 56,012,227,744.08-77,297,107,172.66-30,291,507,661.75

Finding the Fourth Proportional to 56,012,227,744.08, 77,297,107,172.66 and 30,291,507,661.75

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Solution

The fourth proportional to 56,012,227,744.08, 77,297,107,172.66 and 30,291,507,661.75 is: 41,802,406,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012,227,744.08 : 77,297,107,172.66 = 30,291,507,661.75 : x
  2. Step 2: Convert to fraction form
    56,012,227,744.08/77,297,107,172.66 = 30,291,507,661.75/x
  3. Step 3: Cross multiply
    56,012,227,744.08x = 77,297,107,172.66 × 30,291,507,661.75
  4. Step 4: Simplify right side
    56,012,227,744.08x = 2,341,445,914,151,741,292,544
  5. Step 5: Solve for x
    x = 2,341,445,914,151,741,292,544/56,012,227,744.08
  6. Step 6: Final answer
    x = 41,802,406,518.27

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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.