Home / 257,399,669.88-355,190,411.34-151,536,272.76

Finding the Fourth Proportional to 257,399,669.88, 355,190,411.34 and 151,536,272.76

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Solution

The fourth proportional to 257,399,669.88, 355,190,411.34 and 151,536,272.76 is: 209,107,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,399,669.88 : 355,190,411.34 = 151,536,272.76 : x
  2. Step 2: Convert to fraction form
    257,399,669.88/355,190,411.34 = 151,536,272.76/x
  3. Step 3: Cross multiply
    257,399,669.88x = 355,190,411.34 × 151,536,272.76
  4. Step 4: Simplify right side
    257,399,669.88x = 53,824,231,054,554,832
  5. Step 5: Solve for x
    x = 53,824,231,054,554,832/257,399,669.88
  6. Step 6: Final answer
    x = 209,107,614.94

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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.