Home / 45,470,390.78-68,204,601.40-12,680,084.74

Finding the Fourth Proportional to 45,470,390.78, 68,204,601.40 and 12,680,084.74

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Solution

The fourth proportional to 45,470,390.78, 68,204,601.40 and 12,680,084.74 is: 19,019,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,470,390.78 : 68,204,601.40 = 12,680,084.74 : x
  2. Step 2: Convert to fraction form
    45,470,390.78/68,204,601.40 = 12,680,084.74/x
  3. Step 3: Cross multiply
    45,470,390.78x = 68,204,601.40 × 12,680,084.74
  4. Step 4: Simplify right side
    45,470,390.78x = 864,840,125,151,152.88
  5. Step 5: Solve for x
    x = 864,840,125,151,152.88/45,470,390.78
  6. Step 6: Final answer
    x = 19,019,852.48

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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.