Home / 189,914,310.04-262,076,118.97-105,145,206.95

Finding the Fourth Proportional to 189,914,310.04, 262,076,118.97 and 105,145,206.95

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Solution

The fourth proportional to 189,914,310.04, 262,076,118.97 and 105,145,206.95 is: 145,097,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,914,310.04 : 262,076,118.97 = 105,145,206.95 : x
  2. Step 2: Convert to fraction form
    189,914,310.04/262,076,118.97 = 105,145,206.95/x
  3. Step 3: Cross multiply
    189,914,310.04x = 262,076,118.97 × 105,145,206.95
  4. Step 4: Simplify right side
    189,914,310.04x = 27,556,047,765,753,472
  5. Step 5: Solve for x
    x = 27,556,047,765,753,472/189,914,310.04
  6. Step 6: Final answer
    x = 145,097,269.18

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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.