Home / 51,373,506.46-70,905,738.40-30,477,137.88

Finding the Fourth Proportional to 51,373,506.46, 70,905,738.40 and 30,477,137.88

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Solution

The fourth proportional to 51,373,506.46, 70,905,738.40 and 30,477,137.88 is: 42,064,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373,506.46 : 70,905,738.40 = 30,477,137.88 : x
  2. Step 2: Convert to fraction form
    51,373,506.46/70,905,738.40 = 30,477,137.88/x
  3. Step 3: Cross multiply
    51,373,506.46x = 70,905,738.40 × 30,477,137.88
  4. Step 4: Simplify right side
    51,373,506.46x = 2,161,003,965,700,010.75
  5. Step 5: Solve for x
    x = 2,161,003,965,700,010.75/51,373,506.46
  6. Step 6: Final answer
    x = 42,064,560.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.