Home / 77,301,135.68-106,678,164.92-45,505,568.07

Finding the Fourth Proportional to 77,301,135.68, 106,678,164.92 and 45,505,568.07

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Solution

The fourth proportional to 77,301,135.68, 106,678,164.92 and 45,505,568.07 is: 62,799,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,301,135.68 : 106,678,164.92 = 45,505,568.07 : x
  2. Step 2: Convert to fraction form
    77,301,135.68/106,678,164.92 = 45,505,568.07/x
  3. Step 3: Cross multiply
    77,301,135.68x = 106,678,164.92 × 45,505,568.07
  4. Step 4: Simplify right side
    77,301,135.68x = 4,854,450,495,122,219
  5. Step 5: Solve for x
    x = 4,854,450,495,122,219/77,301,135.68
  6. Step 6: Final answer
    x = 62,799,213.14

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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.