Home / 69,666,356.22-104,499,868.17-21,144,631.26

Finding the Fourth Proportional to 69,666,356.22, 104,499,868.17 and 21,144,631.26

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Solution

The fourth proportional to 69,666,356.22, 104,499,868.17 and 21,144,631.26 is: 31,717,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,666,356.22 : 104,499,868.17 = 21,144,631.26 : x
  2. Step 2: Convert to fraction form
    69,666,356.22/104,499,868.17 = 21,144,631.26/x
  3. Step 3: Cross multiply
    69,666,356.22x = 104,499,868.17 × 21,144,631.26
  4. Step 4: Simplify right side
    69,666,356.22x = 2,209,611,179,173,261.25
  5. Step 5: Solve for x
    x = 2,209,611,179,173,261.25/69,666,356.22
  6. Step 6: Final answer
    x = 31,717,048.21

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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.