Home / 77,922,469,892.40-116,883,704,838.60-66,764,759,809.20

Finding the Fourth Proportional to 77,922,469,892.40, 116,883,704,838.60 and 66,764,759,809.20

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Solution

The fourth proportional to 77,922,469,892.40, 116,883,704,838.60 and 66,764,759,809.20 is: 100,147,139,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922,469,892.40 : 116,883,704,838.60 = 66,764,759,809.20 : x
  2. Step 2: Convert to fraction form
    77,922,469,892.40/116,883,704,838.60 = 66,764,759,809.20/x
  3. Step 3: Cross multiply
    77,922,469,892.40x = 116,883,704,838.60 × 66,764,759,809.20
  4. Step 4: Simplify right side
    77,922,469,892.40x = 7,803,712,479,158,556,688,384
  5. Step 5: Solve for x
    x = 7,803,712,479,158,556,688,384/77,922,469,892.40
  6. Step 6: Final answer
    x = 100,147,139,713.80

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1.5x scale

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.