Home / 111,273,209.40-166,909,814.10-70,458,540.60

Finding the Fourth Proportional to 111,273,209.40, 166,909,814.10 and 70,458,540.60

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Solution

The fourth proportional to 111,273,209.40, 166,909,814.10 and 70,458,540.60 is: 105,687,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,273,209.40 : 166,909,814.10 = 70,458,540.60 : x
  2. Step 2: Convert to fraction form
    111,273,209.40/166,909,814.10 = 70,458,540.60/x
  3. Step 3: Cross multiply
    111,273,209.40x = 166,909,814.10 × 70,458,540.60
  4. Step 4: Simplify right side
    111,273,209.40x = 11,760,221,913,303,302
  5. Step 5: Solve for x
    x = 11,760,221,913,303,302/111,273,209.40
  6. Step 6: Final answer
    x = 105,687,810.90

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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.