Home / 66,430,230.45-99,645,345.68-45,624,315.30

Finding the Fourth Proportional to 66,430,230.45, 99,645,345.68 and 45,624,315.30

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Solution

The fourth proportional to 66,430,230.45, 99,645,345.68 and 45,624,315.30 is: 68,436,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,230.45 : 99,645,345.68 = 45,624,315.30 : x
  2. Step 2: Convert to fraction form
    66,430,230.45/99,645,345.68 = 45,624,315.30/x
  3. Step 3: Cross multiply
    66,430,230.45x = 99,645,345.68 × 45,624,315.30
  4. Step 4: Simplify right side
    66,430,230.45x = 4,546,250,669,253,691
  5. Step 5: Solve for x
    x = 4,546,250,669,253,691/66,430,230.45
  6. Step 6: Final answer
    x = 68,436,472.95

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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.