Home / 123,200,472.07-170,016,654.81-68,196,328.57

Finding the Fourth Proportional to 123,200,472.07, 170,016,654.81 and 68,196,328.57

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Solution

The fourth proportional to 123,200,472.07, 170,016,654.81 and 68,196,328.57 is: 94,110,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,200,472.07 : 170,016,654.81 = 68,196,328.57 : x
  2. Step 2: Convert to fraction form
    123,200,472.07/170,016,654.81 = 68,196,328.57/x
  3. Step 3: Cross multiply
    123,200,472.07x = 170,016,654.81 × 68,196,328.57
  4. Step 4: Simplify right side
    123,200,472.07x = 11,594,511,653,795,030
  5. Step 5: Solve for x
    x = 11,594,511,653,795,030/123,200,472.07
  6. Step 6: Final answer
    x = 94,110,935.28

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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.