Home / 257,139,974.32-354,847,129.05-151,300,244.79

Finding the Fourth Proportional to 257,139,974.32, 354,847,129.05 and 151,300,244.79

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Solution

The fourth proportional to 257,139,974.32, 354,847,129.05 and 151,300,244.79 is: 208,790,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,139,974.32 : 354,847,129.05 = 151,300,244.79 : x
  2. Step 2: Convert to fraction form
    257,139,974.32/354,847,129.05 = 151,300,244.79/x
  3. Step 3: Cross multiply
    257,139,974.32x = 354,847,129.05 × 151,300,244.79
  4. Step 4: Simplify right side
    257,139,974.32x = 53,688,457,488,861,088
  5. Step 5: Solve for x
    x = 53,688,457,488,861,088/257,139,974.32
  6. Step 6: Final answer
    x = 208,790,786.54

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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.