Home / 209,163,355.02-313,783,339.14-86,274,635.04

Finding the Fourth Proportional to 209,163,355.02, 313,783,339.14 and 86,274,635.04

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Solution

The fourth proportional to 209,163,355.02, 313,783,339.14 and 86,274,635.04 is: 129,427,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,163,355.02 : 313,783,339.14 = 86,274,635.04 : x
  2. Step 2: Convert to fraction form
    209,163,355.02/313,783,339.14 = 86,274,635.04/x
  3. Step 3: Cross multiply
    209,163,355.02x = 313,783,339.14 × 86,274,635.04
  4. Step 4: Simplify right side
    209,163,355.02x = 27,071,543,065,936,048
  5. Step 5: Solve for x
    x = 27,071,543,065,936,048/209,163,355.02
  6. Step 6: Final answer
    x = 129,427,753.08

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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.