Home / 261,830,921.93-361,671,578.16-194,073,399.57

Finding the Fourth Proportional to 261,830,921.93, 361,671,578.16 and 194,073,399.57

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Solution

The fourth proportional to 261,830,921.93, 361,671,578.16 and 194,073,399.57 is: 268,076,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,830,921.93 : 361,671,578.16 = 194,073,399.57 : x
  2. Step 2: Convert to fraction form
    261,830,921.93/361,671,578.16 = 194,073,399.57/x
  3. Step 3: Cross multiply
    261,830,921.93x = 361,671,578.16 × 194,073,399.57
  4. Step 4: Simplify right side
    261,830,921.93x = 70,190,832,701,358,168
  5. Step 5: Solve for x
    x = 70,190,832,701,358,168/261,830,921.93
  6. Step 6: Final answer
    x = 268,076,941.35

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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.