Home / 215,462,632.40-323,239,391.71-69,884,888.54

Finding the Fourth Proportional to 215,462,632.40, 323,239,391.71 and 69,884,888.54

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Solution

The fourth proportional to 215,462,632.40, 323,239,391.71 and 69,884,888.54 is: 104,842,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,462,632.40 : 323,239,391.71 = 69,884,888.54 : x
  2. Step 2: Convert to fraction form
    215,462,632.40/323,239,391.71 = 69,884,888.54/x
  3. Step 3: Cross multiply
    215,462,632.40x = 323,239,391.71 × 69,884,888.54
  4. Step 4: Simplify right side
    215,462,632.40x = 22,589,548,859,599,840
  5. Step 5: Solve for x
    x = 22,589,548,859,599,840/215,462,632.40
  6. Step 6: Final answer
    x = 104,842,072.19

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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.