Home / 243,207,955.86-364,658,668.82-206,332,730.16

Finding the Fourth Proportional to 243,207,955.86, 364,658,668.82 and 206,332,730.16

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Solution

The fourth proportional to 243,207,955.86, 364,658,668.82 and 206,332,730.16 is: 309,369,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,207,955.86 : 364,658,668.82 = 206,332,730.16 : x
  2. Step 2: Convert to fraction form
    243,207,955.86/364,658,668.82 = 206,332,730.16/x
  3. Step 3: Cross multiply
    243,207,955.86x = 364,658,668.82 × 206,332,730.16
  4. Step 4: Simplify right side
    243,207,955.86x = 75,241,018,711,286,912
  5. Step 5: Solve for x
    x = 75,241,018,711,286,912/243,207,955.86
  6. Step 6: Final answer
    x = 309,369,068.32

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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.