Home / 196,572,704.80-294,894,486.60-81,568,872.40

Finding the Fourth Proportional to 196,572,704.80, 294,894,486.60 and 81,568,872.40

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Solution

The fourth proportional to 196,572,704.80, 294,894,486.60 and 81,568,872.40 is: 122,368,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,572,704.80 : 294,894,486.60 = 81,568,872.40 : x
  2. Step 2: Convert to fraction form
    196,572,704.80/294,894,486.60 = 81,568,872.40/x
  3. Step 3: Cross multiply
    196,572,704.80x = 294,894,486.60 × 81,568,872.40
  4. Step 4: Simplify right side
    196,572,704.80x = 24,054,210,748,938,912
  5. Step 5: Solve for x
    x = 24,054,210,748,938,912/196,572,704.80
  6. Step 6: Final answer
    x = 122,368,010.21

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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.