Home / 66,529,604.30-99,794,406.45-21,091,325.90

Finding the Fourth Proportional to 66,529,604.30, 99,794,406.45 and 21,091,325.90

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Solution

The fourth proportional to 66,529,604.30, 99,794,406.45 and 21,091,325.90 is: 31,636,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,604.30 : 99,794,406.45 = 21,091,325.90 : x
  2. Step 2: Convert to fraction form
    66,529,604.30/99,794,406.45 = 21,091,325.90/x
  3. Step 3: Cross multiply
    66,529,604.30x = 99,794,406.45 × 21,091,325.90
  4. Step 4: Simplify right side
    66,529,604.30x = 2,104,796,349,434,012
  5. Step 5: Solve for x
    x = 2,104,796,349,434,012/66,529,604.30
  6. Step 6: Final answer
    x = 31,636,988.85

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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.