Home / 360,368,743.20-540,553,114.80-130,373,325.60

Finding the Fourth Proportional to 360,368,743.20, 540,553,114.80 and 130,373,325.60

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Solution

The fourth proportional to 360,368,743.20, 540,553,114.80 and 130,373,325.60 is: 195,559,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,368,743.20 : 540,553,114.80 = 130,373,325.60 : x
  2. Step 2: Convert to fraction form
    360,368,743.20/540,553,114.80 = 130,373,325.60/x
  3. Step 3: Cross multiply
    360,368,743.20x = 540,553,114.80 × 130,373,325.60
  4. Step 4: Simplify right side
    360,368,743.20x = 70,473,707,239,914,568
  5. Step 5: Solve for x
    x = 70,473,707,239,914,568/360,368,743.20
  6. Step 6: Final answer
    x = 195,559,988.40

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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.