Home / 76,021,358.88-104,996,080.27-51,532,557.60

Finding the Fourth Proportional to 76,021,358.88, 104,996,080.27 and 51,532,557.60

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Solution

The fourth proportional to 76,021,358.88, 104,996,080.27 and 51,532,557.60 is: 71,173,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,358.88 : 104,996,080.27 = 51,532,557.60 : x
  2. Step 2: Convert to fraction form
    76,021,358.88/104,996,080.27 = 51,532,557.60/x
  3. Step 3: Cross multiply
    76,021,358.88x = 104,996,080.27 × 51,532,557.60
  4. Step 4: Simplify right side
    76,021,358.88x = 5,410,716,554,287,998
  5. Step 5: Solve for x
    x = 5,410,716,554,287,998/76,021,358.88
  6. Step 6: Final answer
    x = 71,173,636.38

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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.