Home / 277,389,039.72-382,795,919.28-159,913,809.84

Finding the Fourth Proportional to 277,389,039.72, 382,795,919.28 and 159,913,809.84

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Solution

The fourth proportional to 277,389,039.72, 382,795,919.28 and 159,913,809.84 is: 220,680,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,389,039.72 : 382,795,919.28 = 159,913,809.84 : x
  2. Step 2: Convert to fraction form
    277,389,039.72/382,795,919.28 = 159,913,809.84/x
  3. Step 3: Cross multiply
    277,389,039.72x = 382,795,919.28 × 159,913,809.84
  4. Step 4: Simplify right side
    277,389,039.72x = 61,214,353,843,269,904
  5. Step 5: Solve for x
    x = 61,214,353,843,269,904/277,389,039.72
  6. Step 6: Final answer
    x = 220,680,506.72

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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.