Home / 168,557,219.70-252,852,669.45-45,737,486.70

Finding the Fourth Proportional to 168,557,219.70, 252,852,669.45 and 45,737,486.70

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Solution

The fourth proportional to 168,557,219.70, 252,852,669.45 and 45,737,486.70 is: 68,610,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,557,219.70 : 252,852,669.45 = 45,737,486.70 : x
  2. Step 2: Convert to fraction form
    168,557,219.70/252,852,669.45 = 45,737,486.70/x
  3. Step 3: Cross multiply
    168,557,219.70x = 252,852,669.45 × 45,737,486.70
  4. Step 4: Simplify right side
    168,557,219.70x = 11,564,845,606,028,872
  5. Step 5: Solve for x
    x = 11,564,845,606,028,872/168,557,219.70
  6. Step 6: Final answer
    x = 68,610,799.51

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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.