Home / 213,454,731,087.87-320,170,820,015.34-70,014,864,908.61

Finding the Fourth Proportional to 213,454,731,087.87, 320,170,820,015.34 and 70,014,864,908.61

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Solution

The fourth proportional to 213,454,731,087.87, 320,170,820,015.34 and 70,014,864,908.61 is: 105,018,598,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,454,731,087.87 : 320,170,820,015.34 = 70,014,864,908.61 : x
  2. Step 2: Convert to fraction form
    213,454,731,087.87/320,170,820,015.34 = 70,014,864,908.61/x
  3. Step 3: Cross multiply
    213,454,731,087.87x = 320,170,820,015.34 × 70,014,864,908.61
  4. Step 4: Simplify right side
    213,454,731,087.87x = 22,416,716,711,051,315,380,224
  5. Step 5: Solve for x
    x = 22,416,716,711,051,315,380,224/213,454,731,087.87
  6. Step 6: Final answer
    x = 105,018,598,542.21

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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.