Home / 257,140,039.26-354,847,218.45-151,300,309.86

Finding the Fourth Proportional to 257,140,039.26, 354,847,218.45 and 151,300,309.86

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Solution

The fourth proportional to 257,140,039.26, 354,847,218.45 and 151,300,309.86 is: 208,790,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,140,039.26 : 354,847,218.45 = 151,300,309.86 : x
  2. Step 2: Convert to fraction form
    257,140,039.26/354,847,218.45 = 151,300,309.86/x
  3. Step 3: Cross multiply
    257,140,039.26x = 354,847,218.45 × 151,300,309.86
  4. Step 4: Simplify right side
    257,140,039.26x = 53,688,494,104,444,112
  5. Step 5: Solve for x
    x = 53,688,494,104,444,112/257,140,039.26
  6. Step 6: Final answer
    x = 208,790,876.20

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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.