Home / 114,413,619.40-171,620,429.10-105,007,769.80

Finding the Fourth Proportional to 114,413,619.40, 171,620,429.10 and 105,007,769.80

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Solution

The fourth proportional to 114,413,619.40, 171,620,429.10 and 105,007,769.80 is: 157,511,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,413,619.40 : 171,620,429.10 = 105,007,769.80 : x
  2. Step 2: Convert to fraction form
    114,413,619.40/171,620,429.10 = 105,007,769.80/x
  3. Step 3: Cross multiply
    114,413,619.40x = 171,620,429.10 × 105,007,769.80
  4. Step 4: Simplify right side
    114,413,619.40x = 18,021,478,511,910,020
  5. Step 5: Solve for x
    x = 18,021,478,511,910,020/114,413,619.40
  6. Step 6: Final answer
    x = 157,511,654.70

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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.