Home / 257,042,207.66-354,714,614.76-145,530,171.08

Finding the Fourth Proportional to 257,042,207.66, 354,714,614.76 and 145,530,171.08

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Solution

The fourth proportional to 257,042,207.66, 354,714,614.76 and 145,530,171.08 is: 200,829,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,042,207.66 : 354,714,614.76 = 145,530,171.08 : x
  2. Step 2: Convert to fraction form
    257,042,207.66/354,714,614.76 = 145,530,171.08/x
  3. Step 3: Cross multiply
    257,042,207.66x = 354,714,614.76 × 145,530,171.08
  4. Step 4: Simplify right side
    257,042,207.66x = 51,621,678,570,599,096
  5. Step 5: Solve for x
    x = 51,621,678,570,599,096/257,042,207.66
  6. Step 6: Final answer
    x = 200,829,579.86

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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.