Home / 286,880,625.32-395,893,435.48-163,121,313.38

Finding the Fourth Proportional to 286,880,625.32, 395,893,435.48 and 163,121,313.38

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Solution

The fourth proportional to 286,880,625.32, 395,893,435.48 and 163,121,313.38 is: 225,106,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,880,625.32 : 395,893,435.48 = 163,121,313.38 : x
  2. Step 2: Convert to fraction form
    286,880,625.32/395,893,435.48 = 163,121,313.38/x
  3. Step 3: Cross multiply
    286,880,625.32x = 395,893,435.48 × 163,121,313.38
  4. Step 4: Simplify right side
    286,880,625.32x = 64,578,657,151,630,624
  5. Step 5: Solve for x
    x = 64,578,657,151,630,624/286,880,625.32
  6. Step 6: Final answer
    x = 225,106,373.36

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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.