Home / 256,226,709.90-384,340,064.85-118,052,049.90

Finding the Fourth Proportional to 256,226,709.90, 384,340,064.85 and 118,052,049.90

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Solution

The fourth proportional to 256,226,709.90, 384,340,064.85 and 118,052,049.90 is: 177,078,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,226,709.90 : 384,340,064.85 = 118,052,049.90 : x
  2. Step 2: Convert to fraction form
    256,226,709.90/384,340,064.85 = 118,052,049.90/x
  3. Step 3: Cross multiply
    256,226,709.90x = 384,340,064.85 × 118,052,049.90
  4. Step 4: Simplify right side
    256,226,709.90x = 45,372,132,514,241,440
  5. Step 5: Solve for x
    x = 45,372,132,514,241,440/256,226,709.90
  6. Step 6: Final answer
    x = 177,078,074.85

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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.