Home / 202,036,174.20-303,054,261.30-72,648,005.40

Finding the Fourth Proportional to 202,036,174.20, 303,054,261.30 and 72,648,005.40

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Solution

The fourth proportional to 202,036,174.20, 303,054,261.30 and 72,648,005.40 is: 108,972,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036,174.20 : 303,054,261.30 = 72,648,005.40 : x
  2. Step 2: Convert to fraction form
    202,036,174.20/303,054,261.30 = 72,648,005.40/x
  3. Step 3: Cross multiply
    202,036,174.20x = 303,054,261.30 × 72,648,005.40
  4. Step 4: Simplify right side
    202,036,174.20x = 22,016,287,611,415,412
  5. Step 5: Solve for x
    x = 22,016,287,611,415,412/202,036,174.20
  6. Step 6: Final answer
    x = 108,972,008.10

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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.