Home / 53,147,816.40-73,343,986.44-28,701,528.72

Finding the Fourth Proportional to 53,147,816.40, 73,343,986.44 and 28,701,528.72

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Solution

The fourth proportional to 53,147,816.40, 73,343,986.44 and 28,701,528.72 is: 39,608,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147,816.40 : 73,343,986.44 = 28,701,528.72 : x
  2. Step 2: Convert to fraction form
    53,147,816.40/73,343,986.44 = 28,701,528.72/x
  3. Step 3: Cross multiply
    53,147,816.40x = 73,343,986.44 × 28,701,528.72
  4. Step 4: Simplify right side
    53,147,816.40x = 2,105,084,533,246,950.50
  5. Step 5: Solve for x
    x = 2,105,084,533,246,950.50/53,147,816.40
  6. Step 6: Final answer
    x = 39,608,109.53

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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.