Home / 77,922,469,893.40-116,883,704,840.10-66,764,759,810.20

Finding the Fourth Proportional to 77,922,469,893.40, 116,883,704,840.10 and 66,764,759,810.20

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Solution

The fourth proportional to 77,922,469,893.40, 116,883,704,840.10 and 66,764,759,810.20 is: 100,147,139,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922,469,893.40 : 116,883,704,840.10 = 66,764,759,810.20 : x
  2. Step 2: Convert to fraction form
    77,922,469,893.40/116,883,704,840.10 = 66,764,759,810.20/x
  3. Step 3: Cross multiply
    77,922,469,893.40x = 116,883,704,840.10 × 66,764,759,810.20
  4. Step 4: Simplify right side
    77,922,469,893.40x = 7,803,712,479,375,587,803,136
  5. Step 5: Solve for x
    x = 7,803,712,479,375,587,803,136/77,922,469,893.40
  6. Step 6: Final answer
    x = 100,147,139,715.30

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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.