Home / 261,673,898.05-361,105,302.69-142,597,524.77

Finding the Fourth Proportional to 261,673,898.05, 361,105,302.69 and 142,597,524.77

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Solution

The fourth proportional to 261,673,898.05, 361,105,302.69 and 142,597,524.77 is: 196,782,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,673,898.05 : 361,105,302.69 = 142,597,524.77 : x
  2. Step 2: Convert to fraction form
    261,673,898.05/361,105,302.69 = 142,597,524.77/x
  3. Step 3: Cross multiply
    261,673,898.05x = 361,105,302.69 × 142,597,524.77
  4. Step 4: Simplify right side
    261,673,898.05x = 51,492,722,344,464,248
  5. Step 5: Solve for x
    x = 51,492,722,344,464,248/261,673,898.05
  6. Step 6: Final answer
    x = 196,782,035.69

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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.