Home / 358,200,415.96-537,401,400.88-128,202,199

Finding the Fourth Proportional to 358,200,415.96, 537,401,400.88 and 128,202,199

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Solution

The fourth proportional to 358,200,415.96, 537,401,400.88 and 128,202,199 is: 192,339,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,200,415.96 : 537,401,400.88 = 128,202,199 : x
  2. Step 2: Convert to fraction form
    358,200,415.96/537,401,400.88 = 128,202,199/x
  3. Step 3: Cross multiply
    358,200,415.96x = 537,401,400.88 × 128,202,199
  4. Step 4: Simplify right side
    358,200,415.96x = 68,896,041,338,496,536
  5. Step 5: Solve for x
    x = 68,896,041,338,496,536/358,200,415.96
  6. Step 6: Final answer
    x = 192,339,367.21

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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.