Home / 189,952,368.57-284,855,921.37-103,644,644.31

Finding the Fourth Proportional to 189,952,368.57, 284,855,921.37 and 103,644,644.31

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Solution

The fourth proportional to 189,952,368.57, 284,855,921.37 and 103,644,644.31 is: 155,427,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,952,368.57 : 284,855,921.37 = 103,644,644.31 : x
  2. Step 2: Convert to fraction form
    189,952,368.57/284,855,921.37 = 103,644,644.31/x
  3. Step 3: Cross multiply
    189,952,368.57x = 284,855,921.37 × 103,644,644.31
  4. Step 4: Simplify right side
    189,952,368.57x = 29,523,790,649,990,980
  5. Step 5: Solve for x
    x = 29,523,790,649,990,980/189,952,368.57
  6. Step 6: Final answer
    x = 155,427,336.19

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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.