Home / 105,190,966.50-157,786,450.38-28,513,994.42

Finding the Fourth Proportional to 105,190,966.50, 157,786,450.38 and 28,513,994.42

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Solution

The fourth proportional to 105,190,966.50, 157,786,450.38 and 28,513,994.42 is: 42,770,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190,966.50 : 157,786,450.38 = 28,513,994.42 : x
  2. Step 2: Convert to fraction form
    105,190,966.50/157,786,450.38 = 28,513,994.42/x
  3. Step 3: Cross multiply
    105,190,966.50x = 157,786,450.38 × 28,513,994.42
  4. Step 4: Simplify right side
    105,190,966.50x = 4,499,121,965,686,927
  5. Step 5: Solve for x
    x = 4,499,121,965,686,927/105,190,966.50
  6. Step 6: Final answer
    x = 42,770,991.80

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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.