Home / 65,311,051.32-90,129,224.39-35,942,383.80

Finding the Fourth Proportional to 65,311,051.32, 90,129,224.39 and 35,942,383.80

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Solution

The fourth proportional to 65,311,051.32, 90,129,224.39 and 35,942,383.80 is: 49,600,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,311,051.32 : 90,129,224.39 = 35,942,383.80 : x
  2. Step 2: Convert to fraction form
    65,311,051.32/90,129,224.39 = 35,942,383.80/x
  3. Step 3: Cross multiply
    65,311,051.32x = 90,129,224.39 × 35,942,383.80
  4. Step 4: Simplify right side
    65,311,051.32x = 3,239,459,174,441,989
  5. Step 5: Solve for x
    x = 3,239,459,174,441,989/65,311,051.32
  6. Step 6: Final answer
    x = 49,600,475.10

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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.