Home / 222,232,698.64-306,652,040.88-128,150,320.48

Finding the Fourth Proportional to 222,232,698.64, 306,652,040.88 and 128,150,320.48

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Solution

The fourth proportional to 222,232,698.64, 306,652,040.88 and 128,150,320.48 is: 176,830,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,232,698.64 : 306,652,040.88 = 128,150,320.48 : x
  2. Step 2: Convert to fraction form
    222,232,698.64/306,652,040.88 = 128,150,320.48/x
  3. Step 3: Cross multiply
    222,232,698.64x = 306,652,040.88 × 128,150,320.48
  4. Step 4: Simplify right side
    222,232,698.64x = 39,297,557,314,618,064
  5. Step 5: Solve for x
    x = 39,297,557,314,618,064/222,232,698.64
  6. Step 6: Final answer
    x = 176,830,671.43

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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.