Home / 189,914,308.04-262,076,116.21-105,145,204.95

Finding the Fourth Proportional to 189,914,308.04, 262,076,116.21 and 105,145,204.95

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Solution

The fourth proportional to 189,914,308.04, 262,076,116.21 and 105,145,204.95 is: 145,097,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,914,308.04 : 262,076,116.21 = 105,145,204.95 : x
  2. Step 2: Convert to fraction form
    189,914,308.04/262,076,116.21 = 105,145,204.95/x
  3. Step 3: Cross multiply
    189,914,308.04x = 262,076,116.21 × 105,145,204.95
  4. Step 4: Simplify right side
    189,914,308.04x = 27,556,046,951,137,608
  5. Step 5: Solve for x
    x = 27,556,046,951,137,608/189,914,308.04
  6. Step 6: Final answer
    x = 145,097,266.42

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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.