Home / 77,301,135.93-106,678,165.26-45,505,568.32

Finding the Fourth Proportional to 77,301,135.93, 106,678,165.26 and 45,505,568.32

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Solution

The fourth proportional to 77,301,135.93, 106,678,165.26 and 45,505,568.32 is: 62,799,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,301,135.93 : 106,678,165.26 = 45,505,568.32 : x
  2. Step 2: Convert to fraction form
    77,301,135.93/106,678,165.26 = 45,505,568.32/x
  3. Step 3: Cross multiply
    77,301,135.93x = 106,678,165.26 × 45,505,568.32
  4. Step 4: Simplify right side
    77,301,135.93x = 4,854,450,537,491,181
  5. Step 5: Solve for x
    x = 4,854,450,537,491,181/77,301,135.93
  6. Step 6: Final answer
    x = 62,799,213.48

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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.