Home / 342,198,491.60-513,423,708.60-112,175,080.40

Finding the Fourth Proportional to 342,198,491.60, 513,423,708.60 and 112,175,080.40

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Solution

The fourth proportional to 342,198,491.60, 513,423,708.60 and 112,175,080.40 is: 168,303,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,198,491.60 : 513,423,708.60 = 112,175,080.40 : x
  2. Step 2: Convert to fraction form
    342,198,491.60/513,423,708.60 = 112,175,080.40/x
  3. Step 3: Cross multiply
    342,198,491.60x = 513,423,708.60 × 112,175,080.40
  4. Step 4: Simplify right side
    342,198,491.60x = 57,593,345,791,471,176
  5. Step 5: Solve for x
    x = 57,593,345,791,471,176/342,198,491.60
  6. Step 6: Final answer
    x = 168,303,914.85

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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.