Home / 255,841,302.87-353,060,998.16-138,366,632.48

Finding the Fourth Proportional to 255,841,302.87, 353,060,998.16 and 138,366,632.48

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Solution

The fourth proportional to 255,841,302.87, 353,060,998.16 and 138,366,632.48 is: 190,945,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841,302.87 : 353,060,998.16 = 138,366,632.48 : x
  2. Step 2: Convert to fraction form
    255,841,302.87/353,060,998.16 = 138,366,632.48/x
  3. Step 3: Cross multiply
    255,841,302.87x = 353,060,998.16 × 138,366,632.48
  4. Step 4: Simplify right side
    255,841,302.87x = 48,851,861,372,969,536
  5. Step 5: Solve for x
    x = 48,851,861,372,969,536/255,841,302.87
  6. Step 6: Final answer
    x = 190,945,952.92

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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.