Home / 110,668,583.80-166,002,875.70-74,388,878.20

Finding the Fourth Proportional to 110,668,583.80, 166,002,875.70 and 74,388,878.20

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Solution

The fourth proportional to 110,668,583.80, 166,002,875.70 and 74,388,878.20 is: 111,583,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,583.80 : 166,002,875.70 = 74,388,878.20 : x
  2. Step 2: Convert to fraction form
    110,668,583.80/166,002,875.70 = 74,388,878.20/x
  3. Step 3: Cross multiply
    110,668,583.80x = 166,002,875.70 × 74,388,878.20
  4. Step 4: Simplify right side
    110,668,583.80x = 12,348,767,701,297,040
  5. Step 5: Solve for x
    x = 12,348,767,701,297,040/110,668,583.80
  6. Step 6: Final answer
    x = 111,583,317.30

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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.