Home / 165,888,843.20-248,833,264.80-75,015,396.80

Finding the Fourth Proportional to 165,888,843.20, 248,833,264.80 and 75,015,396.80

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Solution

The fourth proportional to 165,888,843.20, 248,833,264.80 and 75,015,396.80 is: 112,523,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,843.20 : 248,833,264.80 = 75,015,396.80 : x
  2. Step 2: Convert to fraction form
    165,888,843.20/248,833,264.80 = 75,015,396.80/x
  3. Step 3: Cross multiply
    165,888,843.20x = 248,833,264.80 × 75,015,396.80
  4. Step 4: Simplify right side
    165,888,843.20x = 18,666,326,096,011,472
  5. Step 5: Solve for x
    x = 18,666,326,096,011,472/165,888,843.20
  6. Step 6: Final answer
    x = 112,523,095.20

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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.