Home / 253,219,013.34-349,434,733.38-140,193,542.58

Finding the Fourth Proportional to 253,219,013.34, 349,434,733.38 and 140,193,542.58

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Solution

The fourth proportional to 253,219,013.34, 349,434,733.38 and 140,193,542.58 is: 193,462,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,219,013.34 : 349,434,733.38 = 140,193,542.58 : x
  2. Step 2: Convert to fraction form
    253,219,013.34/349,434,733.38 = 140,193,542.58/x
  3. Step 3: Cross multiply
    253,219,013.34x = 349,434,733.38 × 140,193,542.58
  4. Step 4: Simplify right side
    253,219,013.34x = 48,988,493,173,039,984
  5. Step 5: Solve for x
    x = 48,988,493,173,039,984/253,219,013.34
  6. Step 6: Final answer
    x = 193,462,933.64

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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.