Home / 140,771,806.23-210,882,784.53-66,890,475.03

Finding the Fourth Proportional to 140,771,806.23, 210,882,784.53 and 66,890,475.03

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Solution

The fourth proportional to 140,771,806.23, 210,882,784.53 and 66,890,475.03 is: 100,205,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,771,806.23 : 210,882,784.53 = 66,890,475.03 : x
  2. Step 2: Convert to fraction form
    140,771,806.23/210,882,784.53 = 66,890,475.03/x
  3. Step 3: Cross multiply
    140,771,806.23x = 210,882,784.53 × 66,890,475.03
  4. Step 4: Simplify right side
    140,771,806.23x = 14,106,049,632,860,836
  5. Step 5: Solve for x
    x = 14,106,049,632,860,836/140,771,806.23
  6. Step 6: Final answer
    x = 100,205,076.65

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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.