Home / 80,421,196.06-111,019,797.75-49,507,863.58

Finding the Fourth Proportional to 80,421,196.06, 111,019,797.75 and 49,507,863.58

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Solution

The fourth proportional to 80,421,196.06, 111,019,797.75 and 49,507,863.58 is: 68,344,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,421,196.06 : 111,019,797.75 = 49,507,863.58 : x
  2. Step 2: Convert to fraction form
    80,421,196.06/111,019,797.75 = 49,507,863.58/x
  3. Step 3: Cross multiply
    80,421,196.06x = 111,019,797.75 × 49,507,863.58
  4. Step 4: Simplify right side
    80,421,196.06x = 5,496,353,001,686,191
  5. Step 5: Solve for x
    x = 5,496,353,001,686,191/80,421,196.06
  6. Step 6: Final answer
    x = 68,344,581.66

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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.