Home / 228,064,076.64-314,988,240.81-154,597,672.80

Finding the Fourth Proportional to 228,064,076.64, 314,988,240.81 and 154,597,672.80

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Solution

The fourth proportional to 228,064,076.64, 314,988,240.81 and 154,597,672.80 is: 213,520,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,064,076.64 : 314,988,240.81 = 154,597,672.80 : x
  2. Step 2: Convert to fraction form
    228,064,076.64/314,988,240.81 = 154,597,672.80/x
  3. Step 3: Cross multiply
    228,064,076.64x = 314,988,240.81 × 154,597,672.80
  4. Step 4: Simplify right side
    228,064,076.64x = 48,696,448,988,591,992
  5. Step 5: Solve for x
    x = 48,696,448,988,591,992/228,064,076.64
  6. Step 6: Final answer
    x = 213,520,909.15

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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.