Home / 206,079,668-309,117,927.36-52,725,478.40

Finding the Fourth Proportional to 206,079,668, 309,117,927.36 and 52,725,478.40

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Solution

The fourth proportional to 206,079,668, 309,117,927.36 and 52,725,478.40 is: 79,087,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,079,668 : 309,117,927.36 = 52,725,478.40 : x
  2. Step 2: Convert to fraction form
    206,079,668/309,117,927.36 = 52,725,478.40/x
  3. Step 3: Cross multiply
    206,079,668x = 309,117,927.36 × 52,725,478.40
  4. Step 4: Simplify right side
    206,079,668x = 16,298,390,602,072,450
  5. Step 5: Solve for x
    x = 16,298,390,602,072,450/206,079,668
  6. Step 6: Final answer
    x = 79,087,814.73

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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.