Home / 111,411,904.20-166,976,138.70-53,780,080.20

Finding the Fourth Proportional to 111,411,904.20, 166,976,138.70 and 53,780,080.20

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Solution

The fourth proportional to 111,411,904.20, 166,976,138.70 and 53,780,080.20 is: 80,601,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,411,904.20 : 166,976,138.70 = 53,780,080.20 : x
  2. Step 2: Convert to fraction form
    111,411,904.20/166,976,138.70 = 53,780,080.20/x
  3. Step 3: Cross multiply
    111,411,904.20x = 166,976,138.70 × 53,780,080.20
  4. Step 4: Simplify right side
    111,411,904.20x = 8,979,990,130,772,324
  5. Step 5: Solve for x
    x = 8,979,990,130,772,324/111,411,904.20
  6. Step 6: Final answer
    x = 80,601,711.24

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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.