Home / 209,397,046.52-314,239,044.27-73,082,430.02

Finding the Fourth Proportional to 209,397,046.52, 314,239,044.27 and 73,082,430.02

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Solution

The fourth proportional to 209,397,046.52, 314,239,044.27 and 73,082,430.02 is: 109,673,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,397,046.52 : 314,239,044.27 = 73,082,430.02 : x
  2. Step 2: Convert to fraction form
    209,397,046.52/314,239,044.27 = 73,082,430.02/x
  3. Step 3: Cross multiply
    209,397,046.52x = 314,239,044.27 × 73,082,430.02
  4. Step 4: Simplify right side
    209,397,046.52x = 22,965,352,963,473,612
  5. Step 5: Solve for x
    x = 22,965,352,963,473,612/209,397,046.52
  6. Step 6: Final answer
    x = 109,673,719.59

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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.