Home / 77,810,892.75-107,428,555.01-48,485,307.69

Finding the Fourth Proportional to 77,810,892.75, 107,428,555.01 and 48,485,307.69

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Solution

The fourth proportional to 77,810,892.75, 107,428,555.01 and 48,485,307.69 is: 66,940,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,810,892.75 : 107,428,555.01 = 48,485,307.69 : x
  2. Step 2: Convert to fraction form
    77,810,892.75/107,428,555.01 = 48,485,307.69/x
  3. Step 3: Cross multiply
    77,810,892.75x = 107,428,555.01 × 48,485,307.69
  4. Step 4: Simplify right side
    77,810,892.75x = 5,208,706,544,473,154
  5. Step 5: Solve for x
    x = 5,208,706,544,473,154/77,810,892.75
  6. Step 6: Final answer
    x = 66,940,583.26

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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.