Home / 77,262,337,267.20-115,893,505,900.80-75,085,554,931.20

Finding the Fourth Proportional to 77,262,337,267.20, 115,893,505,900.80 and 75,085,554,931.20

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Solution

The fourth proportional to 77,262,337,267.20, 115,893,505,900.80 and 75,085,554,931.20 is: 112,628,332,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,267.20 : 115,893,505,900.80 = 75,085,554,931.20 : x
  2. Step 2: Convert to fraction form
    77,262,337,267.20/115,893,505,900.80 = 75,085,554,931.20/x
  3. Step 3: Cross multiply
    77,262,337,267.20x = 115,893,505,900.80 × 75,085,554,931.20
  4. Step 4: Simplify right side
    77,262,337,267.20x = 8,701,928,203,483,870,134,272
  5. Step 5: Solve for x
    x = 8,701,928,203,483,870,134,272/77,262,337,267.20
  6. Step 6: Final answer
    x = 112,628,332,396.80

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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.