Home / 66,516,251.15-99,159,528.35-65,467,983.78

Finding the Fourth Proportional to 66,516,251.15, 99,159,528.35 and 65,467,983.78

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Solution

The fourth proportional to 66,516,251.15, 99,159,528.35 and 65,467,983.78 is: 97,596,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516,251.15 : 99,159,528.35 = 65,467,983.78 : x
  2. Step 2: Convert to fraction form
    66,516,251.15/99,159,528.35 = 65,467,983.78/x
  3. Step 3: Cross multiply
    66,516,251.15x = 99,159,528.35 × 65,467,983.78
  4. Step 4: Simplify right side
    66,516,251.15x = 6,491,774,393,322,910
  5. Step 5: Solve for x
    x = 6,491,774,393,322,910/66,516,251.15
  6. Step 6: Final answer
    x = 97,596,817.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.