Home / 66,753,807.66-100,284,172.44-47,103,160.68

Finding the Fourth Proportional to 66,753,807.66, 100,284,172.44 and 47,103,160.68

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Solution

The fourth proportional to 66,753,807.66, 100,284,172.44 and 47,103,160.68 is: 70,763,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753,807.66 : 100,284,172.44 = 47,103,160.68 : x
  2. Step 2: Convert to fraction form
    66,753,807.66/100,284,172.44 = 47,103,160.68/x
  3. Step 3: Cross multiply
    66,753,807.66x = 100,284,172.44 × 47,103,160.68
  4. Step 4: Simplify right side
    66,753,807.66x = 4,723,701,488,102,148
  5. Step 5: Solve for x
    x = 4,723,701,488,102,148/66,753,807.66
  6. Step 6: Final answer
    x = 70,763,026.91

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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.