Home / 253,542,916.52-349,888,959.44-142,034,542.26

Finding the Fourth Proportional to 253,542,916.52, 349,888,959.44 and 142,034,542.26

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Solution

The fourth proportional to 253,542,916.52, 349,888,959.44 and 142,034,542.26 is: 196,007,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,542,916.52 : 349,888,959.44 = 142,034,542.26 : x
  2. Step 2: Convert to fraction form
    253,542,916.52/349,888,959.44 = 142,034,542.26/x
  3. Step 3: Cross multiply
    253,542,916.52x = 349,888,959.44 × 142,034,542.26
  4. Step 4: Simplify right side
    253,542,916.52x = 49,696,318,195,355,472
  5. Step 5: Solve for x
    x = 49,696,318,195,355,472/253,542,916.52
  6. Step 6: Final answer
    x = 196,007,519.66

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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.