Home / 309,766,004.09-427,461,709.26-170,533,776.50

Finding the Fourth Proportional to 309,766,004.09, 427,461,709.26 and 170,533,776.50

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Solution

The fourth proportional to 309,766,004.09, 427,461,709.26 and 170,533,776.50 is: 235,328,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,766,004.09 : 427,461,709.26 = 170,533,776.50 : x
  2. Step 2: Convert to fraction form
    309,766,004.09/427,461,709.26 = 170,533,776.50/x
  3. Step 3: Cross multiply
    309,766,004.09x = 427,461,709.26 × 170,533,776.50
  4. Step 4: Simplify right side
    309,766,004.09x = 72,896,659,589,252,816
  5. Step 5: Solve for x
    x = 72,896,659,589,252,816/309,766,004.09
  6. Step 6: Final answer
    x = 235,328,146.49

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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.