Home / 228,080,255.70-314,757,392.74-128,958,874.93

Finding the Fourth Proportional to 228,080,255.70, 314,757,392.74 and 128,958,874.93

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Solution

The fourth proportional to 228,080,255.70, 314,757,392.74 and 128,958,874.93 is: 177,967,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,255.70 : 314,757,392.74 = 128,958,874.93 : x
  2. Step 2: Convert to fraction form
    228,080,255.70/314,757,392.74 = 128,958,874.93/x
  3. Step 3: Cross multiply
    228,080,255.70x = 314,757,392.74 × 128,958,874.93
  4. Step 4: Simplify right side
    228,080,255.70x = 40,590,759,243,975,672
  5. Step 5: Solve for x
    x = 40,590,759,243,975,672/228,080,255.70
  6. Step 6: Final answer
    x = 177,967,001.65

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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.