Home / 122,005,017.08-182,951,706.06-72,843,181.64

Finding the Fourth Proportional to 122,005,017.08, 182,951,706.06 and 72,843,181.64

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Solution

The fourth proportional to 122,005,017.08, 182,951,706.06 and 72,843,181.64 is: 109,231,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005,017.08 : 182,951,706.06 = 72,843,181.64 : x
  2. Step 2: Convert to fraction form
    122,005,017.08/182,951,706.06 = 72,843,181.64/x
  3. Step 3: Cross multiply
    122,005,017.08x = 182,951,706.06 × 72,843,181.64
  4. Step 4: Simplify right side
    122,005,017.08x = 13,326,784,355,876,470
  5. Step 5: Solve for x
    x = 13,326,784,355,876,470/122,005,017.08
  6. Step 6: Final answer
    x = 109,231,445.35

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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.