Home / 215,262,666.96-322,945,318.74-69,696,271.60

Finding the Fourth Proportional to 215,262,666.96, 322,945,318.74 and 69,696,271.60

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Solution

The fourth proportional to 215,262,666.96, 322,945,318.74 and 69,696,271.60 is: 104,561,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,262,666.96 : 322,945,318.74 = 69,696,271.60 : x
  2. Step 2: Convert to fraction form
    215,262,666.96/322,945,318.74 = 69,696,271.60/x
  3. Step 3: Cross multiply
    215,262,666.96x = 322,945,318.74 × 69,696,271.60
  4. Step 4: Simplify right side
    215,262,666.96x = 22,508,084,646,305,604
  5. Step 5: Solve for x
    x = 22,508,084,646,305,604/215,262,666.96
  6. Step 6: Final answer
    x = 104,561,022.88

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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.