Home / 209,456,384.20-313,968,999.90-92,926,619

Finding the Fourth Proportional to 209,456,384.20, 313,968,999.90 and 92,926,619

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Solution

The fourth proportional to 209,456,384.20, 313,968,999.90 and 92,926,619 is: 139,294,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,456,384.20 : 313,968,999.90 = 92,926,619 : x
  2. Step 2: Convert to fraction form
    209,456,384.20/313,968,999.90 = 92,926,619/x
  3. Step 3: Cross multiply
    209,456,384.20x = 313,968,999.90 × 92,926,619
  4. Step 4: Simplify right side
    209,456,384.20x = 29,176,077,631,518,336
  5. Step 5: Solve for x
    x = 29,176,077,631,518,336/209,456,384.20
  6. Step 6: Final answer
    x = 139,294,286.70

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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.