Home / 80,922,007.80-121,383,011.70-73,552,692.60

Finding the Fourth Proportional to 80,922,007.80, 121,383,011.70 and 73,552,692.60

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Solution

The fourth proportional to 80,922,007.80, 121,383,011.70 and 73,552,692.60 is: 110,329,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922,007.80 : 121,383,011.70 = 73,552,692.60 : x
  2. Step 2: Convert to fraction form
    80,922,007.80/121,383,011.70 = 73,552,692.60/x
  3. Step 3: Cross multiply
    80,922,007.80x = 121,383,011.70 × 73,552,692.60
  4. Step 4: Simplify right side
    80,922,007.80x = 8,928,047,346,432,303
  5. Step 5: Solve for x
    x = 8,928,047,346,432,303/80,922,007.80
  6. Step 6: Final answer
    x = 110,329,038.90

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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.