Home / 196,280,572.88-270,913,348.68-121,997,234

Finding the Fourth Proportional to 196,280,572.88, 270,913,348.68 and 121,997,234

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Solution

The fourth proportional to 196,280,572.88, 270,913,348.68 and 121,997,234 is: 168,384,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,280,572.88 : 270,913,348.68 = 121,997,234 : x
  2. Step 2: Convert to fraction form
    196,280,572.88/270,913,348.68 = 121,997,234/x
  3. Step 3: Cross multiply
    196,280,572.88x = 270,913,348.68 × 121,997,234
  4. Step 4: Simplify right side
    196,280,572.88x = 33,050,679,192,637,552
  5. Step 5: Solve for x
    x = 33,050,679,192,637,552/196,280,572.88
  6. Step 6: Final answer
    x = 168,384,872.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.