Home / 65,449,269.40-90,320,264.58-36,079,956.76

Finding the Fourth Proportional to 65,449,269.40, 90,320,264.58 and 36,079,956.76

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Solution

The fourth proportional to 65,449,269.40, 90,320,264.58 and 36,079,956.76 is: 49,790,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,449,269.40 : 90,320,264.58 = 36,079,956.76 : x
  2. Step 2: Convert to fraction form
    65,449,269.40/90,320,264.58 = 36,079,956.76/x
  3. Step 3: Cross multiply
    65,449,269.40x = 90,320,264.58 × 36,079,956.76
  4. Step 4: Simplify right side
    65,449,269.40x = 3,258,751,240,598,159.50
  5. Step 5: Solve for x
    x = 3,258,751,240,598,159.50/65,449,269.40
  6. Step 6: Final answer
    x = 49,790,490.72

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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.