Home / 261,830,922.42-361,671,578.85-194,073,400.07

Finding the Fourth Proportional to 261,830,922.42, 361,671,578.85 and 194,073,400.07

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Solution

The fourth proportional to 261,830,922.42, 361,671,578.85 and 194,073,400.07 is: 268,076,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,830,922.42 : 361,671,578.85 = 194,073,400.07 : x
  2. Step 2: Convert to fraction form
    261,830,922.42/361,671,578.85 = 194,073,400.07/x
  3. Step 3: Cross multiply
    261,830,922.42x = 361,671,578.85 × 194,073,400.07
  4. Step 4: Simplify right side
    261,830,922.42x = 70,190,833,016,104,600
  5. Step 5: Solve for x
    x = 70,190,833,016,104,600/261,830,922.42
  6. Step 6: Final answer
    x = 268,076,942.05

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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.