Home / 64,202,721.81-96,283,852.93-21,061,872.33

Finding the Fourth Proportional to 64,202,721.81, 96,283,852.93 and 21,061,872.33

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Solution

The fourth proportional to 64,202,721.81, 96,283,852.93 and 21,061,872.33 is: 31,586,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,202,721.81 : 96,283,852.93 = 21,061,872.33 : x
  2. Step 2: Convert to fraction form
    64,202,721.81/96,283,852.93 = 21,061,872.33/x
  3. Step 3: Cross multiply
    64,202,721.81x = 96,283,852.93 × 21,061,872.33
  4. Step 4: Simplify right side
    64,202,721.81x = 2,027,918,217,852,156.50
  5. Step 5: Solve for x
    x = 2,027,918,217,852,156.50/64,202,721.81
  6. Step 6: Final answer
    x = 31,586,172.06

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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.