Home / 69,679,723.16-104,512,830.98-21,158,003.48

Finding the Fourth Proportional to 69,679,723.16, 104,512,830.98 and 21,158,003.48

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Solution

The fourth proportional to 69,679,723.16, 104,512,830.98 and 21,158,003.48 is: 31,734,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679,723.16 : 104,512,830.98 = 21,158,003.48 : x
  2. Step 2: Convert to fraction form
    69,679,723.16/104,512,830.98 = 21,158,003.48/x
  3. Step 3: Cross multiply
    69,679,723.16x = 104,512,830.98 × 21,158,003.48
  4. Step 4: Simplify right side
    69,679,723.16x = 2,211,282,841,579,492
  5. Step 5: Solve for x
    x = 2,211,282,841,579,492/69,679,723.16
  6. Step 6: Final answer
    x = 31,734,954.46

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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.