Home / 111,204,421.80-166,806,632.70-74,924,716.20

Finding the Fourth Proportional to 111,204,421.80, 166,806,632.70 and 74,924,716.20

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Solution

The fourth proportional to 111,204,421.80, 166,806,632.70 and 74,924,716.20 is: 112,387,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204,421.80 : 166,806,632.70 = 74,924,716.20 : x
  2. Step 2: Convert to fraction form
    111,204,421.80/166,806,632.70 = 74,924,716.20/x
  3. Step 3: Cross multiply
    111,204,421.80x = 166,806,632.70 × 74,924,716.20
  4. Step 4: Simplify right side
    111,204,421.80x = 12,497,939,615,325,140
  5. Step 5: Solve for x
    x = 12,497,939,615,325,140/111,204,421.80
  6. Step 6: Final answer
    x = 112,387,074.30

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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.