Home / 171,273,375.21-236,357,491.20-92,956,929.72

Finding the Fourth Proportional to 171,273,375.21, 236,357,491.20 and 92,956,929.72

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Solution

The fourth proportional to 171,273,375.21, 236,357,491.20 and 92,956,929.72 is: 128,280,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,273,375.21 : 236,357,491.20 = 92,956,929.72 : x
  2. Step 2: Convert to fraction form
    171,273,375.21/236,357,491.20 = 92,956,929.72/x
  3. Step 3: Cross multiply
    171,273,375.21x = 236,357,491.20 × 92,956,929.72
  4. Step 4: Simplify right side
    171,273,375.21x = 21,971,066,698,273,916
  5. Step 5: Solve for x
    x = 21,971,066,698,273,916/171,273,375.21
  6. Step 6: Final answer
    x = 128,280,689.69

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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.