Home / 81,082,428.92-111,893,197.32-43,911,854.34

Finding the Fourth Proportional to 81,082,428.92, 111,893,197.32 and 43,911,854.34

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Solution

The fourth proportional to 81,082,428.92, 111,893,197.32 and 43,911,854.34 is: 60,598,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,428.92 : 111,893,197.32 = 43,911,854.34 : x
  2. Step 2: Convert to fraction form
    81,082,428.92/111,893,197.32 = 43,911,854.34/x
  3. Step 3: Cross multiply
    81,082,428.92x = 111,893,197.32 × 43,911,854.34
  4. Step 4: Simplify right side
    81,082,428.92x = 4,913,437,782,352,718
  5. Step 5: Solve for x
    x = 4,913,437,782,352,718/81,082,428.92
  6. Step 6: Final answer
    x = 60,598,058.64

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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.