Home / 53,628,975.11-74,009,658.26-30,425,080.07

Finding the Fourth Proportional to 53,628,975.11, 74,009,658.26 and 30,425,080.07

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Solution

The fourth proportional to 53,628,975.11, 74,009,658.26 and 30,425,080.07 is: 41,987,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,628,975.11 : 74,009,658.26 = 30,425,080.07 : x
  2. Step 2: Convert to fraction form
    53,628,975.11/74,009,658.26 = 30,425,080.07/x
  3. Step 3: Cross multiply
    53,628,975.11x = 74,009,658.26 × 30,425,080.07
  4. Step 4: Simplify right side
    53,628,975.11x = 2,251,749,778,219,851.50
  5. Step 5: Solve for x
    x = 2,251,749,778,219,851.50/53,628,975.11
  6. Step 6: Final answer
    x = 41,987,559.41

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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.