Home / 256,833,751.86-385,376,598.99-120,530,217.78

Finding the Fourth Proportional to 256,833,751.86, 385,376,598.99 and 120,530,217.78

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Solution

The fourth proportional to 256,833,751.86, 385,376,598.99 and 120,530,217.78 is: 180,854,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,833,751.86 : 385,376,598.99 = 120,530,217.78 : x
  2. Step 2: Convert to fraction form
    256,833,751.86/385,376,598.99 = 120,530,217.78/x
  3. Step 3: Cross multiply
    256,833,751.86x = 385,376,598.99 × 120,530,217.78
  4. Step 4: Simplify right side
    256,833,751.86x = 46,449,525,403,580,432
  5. Step 5: Solve for x
    x = 46,449,525,403,580,432/256,833,751.86
  6. Step 6: Final answer
    x = 180,854,444.04

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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.