Home / 208,225,670.80-312,338,506.20-106,188,998.80

Finding the Fourth Proportional to 208,225,670.80, 312,338,506.20 and 106,188,998.80

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Solution

The fourth proportional to 208,225,670.80, 312,338,506.20 and 106,188,998.80 is: 159,283,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,225,670.80 : 312,338,506.20 = 106,188,998.80 : x
  2. Step 2: Convert to fraction form
    208,225,670.80/312,338,506.20 = 106,188,998.80/x
  3. Step 3: Cross multiply
    208,225,670.80x = 312,338,506.20 × 106,188,998.80
  4. Step 4: Simplify right side
    208,225,670.80x = 33,166,913,260,065,592
  5. Step 5: Solve for x
    x = 33,166,913,260,065,592/208,225,670.80
  6. Step 6: Final answer
    x = 159,283,498.20

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1.5x scale

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.