Home / 171,323,291.20-256,984,929.60-50,154,742.72

Finding the Fourth Proportional to 171,323,291.20, 256,984,929.60 and 50,154,742.72

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Solution

The fourth proportional to 171,323,291.20, 256,984,929.60 and 50,154,742.72 is: 75,232,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,323,291.20 : 256,984,929.60 = 50,154,742.72 : x
  2. Step 2: Convert to fraction form
    171,323,291.20/256,984,929.60 = 50,154,742.72/x
  3. Step 3: Cross multiply
    171,323,291.20x = 256,984,929.60 × 50,154,742.72
  4. Step 4: Simplify right side
    171,323,291.20x = 12,889,013,027,005,312
  5. Step 5: Solve for x
    x = 12,889,013,027,005,312/171,323,291.20
  6. Step 6: Final answer
    x = 75,232,111.97

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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.