Home / 55,196,666.10-82,794,999.15-18,846,101.70

Finding the Fourth Proportional to 55,196,666.10, 82,794,999.15 and 18,846,101.70

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Solution

The fourth proportional to 55,196,666.10, 82,794,999.15 and 18,846,101.70 is: 28,269,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,666.10 : 82,794,999.15 = 18,846,101.70 : x
  2. Step 2: Convert to fraction form
    55,196,666.10/82,794,999.15 = 18,846,101.70/x
  3. Step 3: Cross multiply
    55,196,666.10x = 82,794,999.15 × 18,846,101.70
  4. Step 4: Simplify right side
    55,196,666.10x = 1,560,362,974,232,313.50
  5. Step 5: Solve for x
    x = 1,560,362,974,232,313.50/55,196,666.10
  6. Step 6: Final answer
    x = 28,269,152.55

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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.