Home / 217,740,973.76-326,813,844-110,112,839.36

Finding the Fourth Proportional to 217,740,973.76, 326,813,844 and 110,112,839.36

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Solution

The fourth proportional to 217,740,973.76, 326,813,844 and 110,112,839.36 is: 165,271,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740,973.76 : 326,813,844 = 110,112,839.36 : x
  2. Step 2: Convert to fraction form
    217,740,973.76/326,813,844 = 110,112,839.36/x
  3. Step 3: Cross multiply
    217,740,973.76x = 326,813,844 × 110,112,839.36
  4. Step 4: Simplify right side
    217,740,973.76x = 35,986,400,304,996,100
  5. Step 5: Solve for x
    x = 35,986,400,304,996,100/217,740,973.76
  6. Step 6: Final answer
    x = 165,271,605.45

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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.