Home / 53,245,318.37-79,876,806.83-18,692,752.01

Finding the Fourth Proportional to 53,245,318.37, 79,876,806.83 and 18,692,752.01

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Solution

The fourth proportional to 53,245,318.37, 79,876,806.83 and 18,692,752.01 is: 28,042,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245,318.37 : 79,876,806.83 = 18,692,752.01 : x
  2. Step 2: Convert to fraction form
    53,245,318.37/79,876,806.83 = 18,692,752.01/x
  3. Step 3: Cross multiply
    53,245,318.37x = 79,876,806.83 × 18,692,752.01
  4. Step 4: Simplify right side
    53,245,318.37x = 1,493,117,341,423,864.25
  5. Step 5: Solve for x
    x = 1,493,117,341,423,864.25/53,245,318.37
  6. Step 6: Final answer
    x = 28,042,227.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.