Home / 228,080,292.44-314,757,443.45-128,958,911.69

Finding the Fourth Proportional to 228,080,292.44, 314,757,443.45 and 128,958,911.69

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Solution

The fourth proportional to 228,080,292.44, 314,757,443.45 and 128,958,911.69 is: 177,967,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,292.44 : 314,757,443.45 = 128,958,911.69 : x
  2. Step 2: Convert to fraction form
    228,080,292.44/314,757,443.45 = 128,958,911.69/x
  3. Step 3: Cross multiply
    228,080,292.44x = 314,757,443.45 × 128,958,911.69
  4. Step 4: Simplify right side
    228,080,292.44x = 40,590,777,354,748,008
  5. Step 5: Solve for x
    x = 40,590,777,354,748,008/228,080,292.44
  6. Step 6: Final answer
    x = 177,967,052.39

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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.