Home / 286,683,980.76-395,657,480.52-162,943,258.32

Finding the Fourth Proportional to 286,683,980.76, 395,657,480.52 and 162,943,258.32

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Solution

The fourth proportional to 286,683,980.76, 395,657,480.52 and 162,943,258.32 is: 224,880,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,683,980.76 : 395,657,480.52 = 162,943,258.32 : x
  2. Step 2: Convert to fraction form
    286,683,980.76/395,657,480.52 = 162,943,258.32/x
  3. Step 3: Cross multiply
    286,683,980.76x = 395,657,480.52 × 162,943,258.32
  4. Step 4: Simplify right side
    286,683,980.76x = 64,469,719,054,610,720
  5. Step 5: Solve for x
    x = 64,469,719,054,610,720/286,683,980.76
  6. Step 6: Final answer
    x = 224,880,786.45

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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.