Home / 207,585,674.10-311,378,511.15-131,144,483.70

Finding the Fourth Proportional to 207,585,674.10, 311,378,511.15 and 131,144,483.70

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Solution

The fourth proportional to 207,585,674.10, 311,378,511.15 and 131,144,483.70 is: 196,716,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,585,674.10 : 311,378,511.15 = 131,144,483.70 : x
  2. Step 2: Convert to fraction form
    207,585,674.10/311,378,511.15 = 131,144,483.70/x
  3. Step 3: Cross multiply
    207,585,674.10x = 311,378,511.15 × 131,144,483.70
  4. Step 4: Simplify right side
    207,585,674.10x = 40,835,574,080,041,440
  5. Step 5: Solve for x
    x = 40,835,574,080,041,440/207,585,674.10
  6. Step 6: Final answer
    x = 196,716,725.55

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1.5x scale

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.