Home / 286,874,501.96-395,905,489.62-163,126,685

Finding the Fourth Proportional to 286,874,501.96, 395,905,489.62 and 163,126,685

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Solution

The fourth proportional to 286,874,501.96, 395,905,489.62 and 163,126,685 is: 225,125,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,874,501.96 : 395,905,489.62 = 163,126,685 : x
  2. Step 2: Convert to fraction form
    286,874,501.96/395,905,489.62 = 163,126,685/x
  3. Step 3: Cross multiply
    286,874,501.96x = 395,905,489.62 × 163,126,685
  4. Step 4: Simplify right side
    286,874,501.96x = 64,582,750,095,012,512
  5. Step 5: Solve for x
    x = 64,582,750,095,012,512/286,874,501.96
  6. Step 6: Final answer
    x = 225,125,445.63

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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.