Home / 111,296,509.20-166,944,763.80-30,517,347.60

Finding the Fourth Proportional to 111,296,509.20, 166,944,763.80 and 30,517,347.60

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Solution

The fourth proportional to 111,296,509.20, 166,944,763.80 and 30,517,347.60 is: 45,776,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,296,509.20 : 166,944,763.80 = 30,517,347.60 : x
  2. Step 2: Convert to fraction form
    111,296,509.20/166,944,763.80 = 30,517,347.60/x
  3. Step 3: Cross multiply
    111,296,509.20x = 166,944,763.80 × 30,517,347.60
  4. Step 4: Simplify right side
    111,296,509.20x = 5,094,711,386,884,497
  5. Step 5: Solve for x
    x = 5,094,711,386,884,497/111,296,509.20
  6. Step 6: Final answer
    x = 45,776,021.40

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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.