Home / 256,387,222.08-353,685,364.38-168,268,989.87

Finding the Fourth Proportional to 256,387,222.08, 353,685,364.38 and 168,268,989.87

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Solution

The fourth proportional to 256,387,222.08, 353,685,364.38 and 168,268,989.87 is: 232,126,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,387,222.08 : 353,685,364.38 = 168,268,989.87 : x
  2. Step 2: Convert to fraction form
    256,387,222.08/353,685,364.38 = 168,268,989.87/x
  3. Step 3: Cross multiply
    256,387,222.08x = 353,685,364.38 × 168,268,989.87
  4. Step 4: Simplify right side
    256,387,222.08x = 59,514,278,996,025,480
  5. Step 5: Solve for x
    x = 59,514,278,996,025,480/256,387,222.08
  6. Step 6: Final answer
    x = 232,126,540.91

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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.