Home / 189,165,048.55-261,065,735.61-118,611,827.12

Finding the Fourth Proportional to 189,165,048.55, 261,065,735.61 and 118,611,827.12

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Solution

The fourth proportional to 189,165,048.55, 261,065,735.61 and 118,611,827.12 is: 163,695,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,165,048.55 : 261,065,735.61 = 118,611,827.12 : x
  2. Step 2: Convert to fraction form
    189,165,048.55/261,065,735.61 = 118,611,827.12/x
  3. Step 3: Cross multiply
    189,165,048.55x = 261,065,735.61 × 118,611,827.12
  4. Step 4: Simplify right side
    189,165,048.55x = 30,965,483,899,336,816
  5. Step 5: Solve for x
    x = 30,965,483,899,336,816/189,165,048.55
  6. Step 6: Final answer
    x = 163,695,588.26

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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.