Home / 65,787,411.72-90,787,703.06-36,017,563.08

Finding the Fourth Proportional to 65,787,411.72, 90,787,703.06 and 36,017,563.08

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Solution

The fourth proportional to 65,787,411.72, 90,787,703.06 and 36,017,563.08 is: 49,704,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787,411.72 : 90,787,703.06 = 36,017,563.08 : x
  2. Step 2: Convert to fraction form
    65,787,411.72/90,787,703.06 = 36,017,563.08/x
  3. Step 3: Cross multiply
    65,787,411.72x = 90,787,703.06 × 36,017,563.08
  4. Step 4: Simplify right side
    65,787,411.72x = 3,269,951,821,851,859
  5. Step 5: Solve for x
    x = 3,269,951,821,851,859/65,787,411.72
  6. Step 6: Final answer
    x = 49,704,825.53

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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.