Home / 126,368,014.80-189,552,022.20-105,960,680.40

Finding the Fourth Proportional to 126,368,014.80, 189,552,022.20 and 105,960,680.40

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Solution

The fourth proportional to 126,368,014.80, 189,552,022.20 and 105,960,680.40 is: 158,941,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,368,014.80 : 189,552,022.20 = 105,960,680.40 : x
  2. Step 2: Convert to fraction form
    126,368,014.80/189,552,022.20 = 105,960,680.40/x
  3. Step 3: Cross multiply
    126,368,014.80x = 189,552,022.20 × 105,960,680.40
  4. Step 4: Simplify right side
    126,368,014.80x = 20,085,061,243,507,904
  5. Step 5: Solve for x
    x = 20,085,061,243,507,904/126,368,014.80
  6. Step 6: Final answer
    x = 158,941,020.60

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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.