Home / 189,003,709.65-260,882,766.63-109,638,827.38

Finding the Fourth Proportional to 189,003,709.65, 260,882,766.63 and 109,638,827.38

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Solution

The fourth proportional to 189,003,709.65, 260,882,766.63 and 109,638,827.38 is: 151,335,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,003,709.65 : 260,882,766.63 = 109,638,827.38 : x
  2. Step 2: Convert to fraction form
    189,003,709.65/260,882,766.63 = 109,638,827.38/x
  3. Step 3: Cross multiply
    189,003,709.65x = 260,882,766.63 × 109,638,827.38
  4. Step 4: Simplify right side
    189,003,709.65x = 28,602,880,616,963,392
  5. Step 5: Solve for x
    x = 28,602,880,616,963,392/189,003,709.65
  6. Step 6: Final answer
    x = 151,335,022.31

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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.