Home / 194,017,181.40-291,025,772.10-168,508,013.40

Finding the Fourth Proportional to 194,017,181.40, 291,025,772.10 and 168,508,013.40

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Solution

The fourth proportional to 194,017,181.40, 291,025,772.10 and 168,508,013.40 is: 252,762,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,181.40 : 291,025,772.10 = 168,508,013.40 : x
  2. Step 2: Convert to fraction form
    194,017,181.40/291,025,772.10 = 168,508,013.40/x
  3. Step 3: Cross multiply
    194,017,181.40x = 291,025,772.10 × 168,508,013.40
  4. Step 4: Simplify right side
    194,017,181.40x = 49,040,174,704,772,152
  5. Step 5: Solve for x
    x = 49,040,174,704,772,152/194,017,181.40
  6. Step 6: Final answer
    x = 252,762,020.10

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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.