Home / 105,190,965.49-157,786,448.87-28,513,993.41

Finding the Fourth Proportional to 105,190,965.49, 157,786,448.87 and 28,513,993.41

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Solution

The fourth proportional to 105,190,965.49, 157,786,448.87 and 28,513,993.41 is: 42,770,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190,965.49 : 157,786,448.87 = 28,513,993.41 : x
  2. Step 2: Convert to fraction form
    105,190,965.49/157,786,448.87 = 28,513,993.41/x
  3. Step 3: Cross multiply
    105,190,965.49x = 157,786,448.87 × 28,513,993.41
  4. Step 4: Simplify right side
    105,190,965.49x = 4,499,121,763,266,482
  5. Step 5: Solve for x
    x = 4,499,121,763,266,482/105,190,965.49
  6. Step 6: Final answer
    x = 42,770,990.29

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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.