Home / 198,008,412.30-297,296,053.65-111,914,970.30

Finding the Fourth Proportional to 198,008,412.30, 297,296,053.65 and 111,914,970.30

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Solution

The fourth proportional to 198,008,412.30, 297,296,053.65 and 111,914,970.30 is: 168,032,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,008,412.30 : 297,296,053.65 = 111,914,970.30 : x
  2. Step 2: Convert to fraction form
    198,008,412.30/297,296,053.65 = 111,914,970.30/x
  3. Step 3: Cross multiply
    198,008,412.30x = 297,296,053.65 × 111,914,970.30
  4. Step 4: Simplify right side
    198,008,412.30x = 33,271,879,014,546,952
  5. Step 5: Solve for x
    x = 33,271,879,014,546,952/198,008,412.30
  6. Step 6: Final answer
    x = 168,032,653.91

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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.