Home / 257,399,670.88-355,190,412.72-151,536,273.76

Finding the Fourth Proportional to 257,399,670.88, 355,190,412.72 and 151,536,273.76

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Solution

The fourth proportional to 257,399,670.88, 355,190,412.72 and 151,536,273.76 is: 209,107,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,399,670.88 : 355,190,412.72 = 151,536,273.76 : x
  2. Step 2: Convert to fraction form
    257,399,670.88/355,190,412.72 = 151,536,273.76/x
  3. Step 3: Cross multiply
    257,399,670.88x = 355,190,412.72 × 151,536,273.76
  4. Step 4: Simplify right side
    257,399,670.88x = 53,824,231,618,865,304
  5. Step 5: Solve for x
    x = 53,824,231,618,865,304/257,399,670.88
  6. Step 6: Final answer
    x = 209,107,616.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.