Home / 67,782,858,507.72-101,688,996,323.46-20,618,106,573.84

Finding the Fourth Proportional to 67,782,858,507.72, 101,688,996,323.46 and 20,618,106,573.84

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Solution

The fourth proportional to 67,782,858,507.72, 101,688,996,323.46 and 20,618,106,573.84 is: 30,931,633,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,782,858,507.72 : 101,688,996,323.46 = 20,618,106,573.84 : x
  2. Step 2: Convert to fraction form
    67,782,858,507.72/101,688,996,323.46 = 20,618,106,573.84/x
  3. Step 3: Cross multiply
    67,782,858,507.72x = 101,688,996,323.46 × 20,618,106,573.84
  4. Step 4: Simplify right side
    67,782,858,507.72x = 2,096,634,563,583,922,405,376
  5. Step 5: Solve for x
    x = 2,096,634,563,583,922,405,376/67,782,858,507.72
  6. Step 6: Final answer
    x = 30,931,633,893.03

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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.