Home / 126,300,643.20-189,450,964.80-110,680,214.40

Finding the Fourth Proportional to 126,300,643.20, 189,450,964.80 and 110,680,214.40

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Solution

The fourth proportional to 126,300,643.20, 189,450,964.80 and 110,680,214.40 is: 166,020,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,300,643.20 : 189,450,964.80 = 110,680,214.40 : x
  2. Step 2: Convert to fraction form
    126,300,643.20/189,450,964.80 = 110,680,214.40/x
  3. Step 3: Cross multiply
    126,300,643.20x = 189,450,964.80 × 110,680,214.40
  4. Step 4: Simplify right side
    126,300,643.20x = 20,968,473,402,350,856
  5. Step 5: Solve for x
    x = 20,968,473,402,350,856/126,300,643.20
  6. Step 6: Final answer
    x = 166,020,321.60

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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.