Home / 51,373,469.76-70,905,687.71-30,477,101.24

Finding the Fourth Proportional to 51,373,469.76, 70,905,687.71 and 30,477,101.24

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Solution

The fourth proportional to 51,373,469.76, 70,905,687.71 and 30,477,101.24 is: 42,064,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373,469.76 : 70,905,687.71 = 30,477,101.24 : x
  2. Step 2: Convert to fraction form
    51,373,469.76/70,905,687.71 = 30,477,101.24/x
  3. Step 3: Cross multiply
    51,373,469.76x = 70,905,687.71 × 30,477,101.24
  4. Step 4: Simplify right side
    51,373,469.76x = 2,160,999,822,322,579.75
  5. Step 5: Solve for x
    x = 2,160,999,822,322,579.75/51,373,469.76
  6. Step 6: Final answer
    x = 42,064,509.80

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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.