Home / 256,368,103.89-353,786,593.80-143,337,573.60

Finding the Fourth Proportional to 256,368,103.89, 353,786,593.80 and 143,337,573.60

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Solution

The fourth proportional to 256,368,103.89, 353,786,593.80 and 143,337,573.60 is: 197,805,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,368,103.89 : 353,786,593.80 = 143,337,573.60 : x
  2. Step 2: Convert to fraction form
    256,368,103.89/353,786,593.80 = 143,337,573.60/x
  3. Step 3: Cross multiply
    256,368,103.89x = 353,786,593.80 × 143,337,573.60
  4. Step 4: Simplify right side
    256,368,103.89x = 50,710,911,927,500,800
  5. Step 5: Solve for x
    x = 50,710,911,927,500,800/256,368,103.89
  6. Step 6: Final answer
    x = 197,805,074.65

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1.5x scale

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.