Home / 353,414,425.61-530,157,840.82-135,248,257.73

Finding the Fourth Proportional to 353,414,425.61, 530,157,840.82 and 135,248,257.73

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Solution

The fourth proportional to 353,414,425.61, 530,157,840.82 and 135,248,257.73 is: 202,886,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,414,425.61 : 530,157,840.82 = 135,248,257.73 : x
  2. Step 2: Convert to fraction form
    353,414,425.61/530,157,840.82 = 135,248,257.73/x
  3. Step 3: Cross multiply
    353,414,425.61x = 530,157,840.82 × 135,248,257.73
  4. Step 4: Simplify right side
    353,414,425.61x = 71,702,924,292,803,664
  5. Step 5: Solve for x
    x = 71,702,924,292,803,664/353,414,425.61
  6. Step 6: Final answer
    x = 202,886,240.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.