Home / 88,284,807.68-121,764,015.36-57,354,942.56

Finding the Fourth Proportional to 88,284,807.68, 121,764,015.36 and 57,354,942.56

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Solution

The fourth proportional to 88,284,807.68, 121,764,015.36 and 57,354,942.56 is: 79,104,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,284,807.68 : 121,764,015.36 = 57,354,942.56 : x
  2. Step 2: Convert to fraction form
    88,284,807.68/121,764,015.36 = 57,354,942.56/x
  3. Step 3: Cross multiply
    88,284,807.68x = 121,764,015.36 × 57,354,942.56
  4. Step 4: Simplify right side
    88,284,807.68x = 6,983,768,106,847,758
  5. Step 5: Solve for x
    x = 6,983,768,106,847,758/88,284,807.68
  6. Step 6: Final answer
    x = 79,104,981.82

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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.