Home / 163,784,414,405.70-245,676,621,608.55-145,499,442,783.30

Finding the Fourth Proportional to 163,784,414,405.70, 245,676,621,608.55 and 145,499,442,783.30

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Solution

The fourth proportional to 163,784,414,405.70, 245,676,621,608.55 and 145,499,442,783.30 is: 218,249,164,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,784,414,405.70 : 245,676,621,608.55 = 145,499,442,783.30 : x
  2. Step 2: Convert to fraction form
    163,784,414,405.70/245,676,621,608.55 = 145,499,442,783.30/x
  3. Step 3: Cross multiply
    163,784,414,405.70x = 245,676,621,608.55 × 145,499,442,783.30
  4. Step 4: Simplify right side
    163,784,414,405.70x = 35,745,811,548,927,661,441,024
  5. Step 5: Solve for x
    x = 35,745,811,548,927,661,441,024/163,784,414,405.70
  6. Step 6: Final answer
    x = 218,249,164,174.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.