Home / 45,493,974,004.80-68,240,961,007.20-20,699,062,708.80

Finding the Fourth Proportional to 45,493,974,004.80, 68,240,961,007.20 and 20,699,062,708.80

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Solution

The fourth proportional to 45,493,974,004.80, 68,240,961,007.20 and 20,699,062,708.80 is: 31,048,594,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493,974,004.80 : 68,240,961,007.20 = 20,699,062,708.80 : x
  2. Step 2: Convert to fraction form
    45,493,974,004.80/68,240,961,007.20 = 20,699,062,708.80/x
  3. Step 3: Cross multiply
    45,493,974,004.80x = 68,240,961,007.20 × 20,699,062,708.80
  4. Step 4: Simplify right side
    45,493,974,004.80x = 1,412,523,931,196,808,232,960
  5. Step 5: Solve for x
    x = 1,412,523,931,196,808,232,960/45,493,974,004.80
  6. Step 6: Final answer
    x = 31,048,594,063.20

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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.