Home / 51,073,409.80-76,610,114.70-20,765,672.20

Finding the Fourth Proportional to 51,073,409.80, 76,610,114.70 and 20,765,672.20

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Solution

The fourth proportional to 51,073,409.80, 76,610,114.70 and 20,765,672.20 is: 31,148,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073,409.80 : 76,610,114.70 = 20,765,672.20 : x
  2. Step 2: Convert to fraction form
    51,073,409.80/76,610,114.70 = 20,765,672.20/x
  3. Step 3: Cross multiply
    51,073,409.80x = 76,610,114.70 × 20,765,672.20
  4. Step 4: Simplify right side
    51,073,409.80x = 1,590,860,529,064,601.25
  5. Step 5: Solve for x
    x = 1,590,860,529,064,601.25/51,073,409.80
  6. Step 6: Final answer
    x = 31,148,508.30

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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.