Home / 84,890,467.21-127,362,618.91-30,301,844.14

Finding the Fourth Proportional to 84,890,467.21, 127,362,618.91 and 30,301,844.14

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Solution

The fourth proportional to 84,890,467.21, 127,362,618.91 and 30,301,844.14 is: 45,462,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890,467.21 : 127,362,618.91 = 30,301,844.14 : x
  2. Step 2: Convert to fraction form
    84,890,467.21/127,362,618.91 = 30,301,844.14/x
  3. Step 3: Cross multiply
    84,890,467.21x = 127,362,618.91 × 30,301,844.14
  4. Step 4: Simplify right side
    84,890,467.21x = 3,859,322,227,670,117
  5. Step 5: Solve for x
    x = 3,859,322,227,670,117/84,890,467.21
  6. Step 6: Final answer
    x = 45,462,374.69

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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.