Home / 81,020,011.24-111,807,917.22-44,353,993.96

Finding the Fourth Proportional to 81,020,011.24, 111,807,917.22 and 44,353,993.96

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Solution

The fourth proportional to 81,020,011.24, 111,807,917.22 and 44,353,993.96 is: 61,208,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,020,011.24 : 111,807,917.22 = 44,353,993.96 : x
  2. Step 2: Convert to fraction form
    81,020,011.24/111,807,917.22 = 44,353,993.96/x
  3. Step 3: Cross multiply
    81,020,011.24x = 111,807,917.22 × 44,353,993.96
  4. Step 4: Simplify right side
    81,020,011.24x = 4,959,127,685,056,060
  5. Step 5: Solve for x
    x = 4,959,127,685,056,060/81,020,011.24
  6. Step 6: Final answer
    x = 61,208,676.83

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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.