Home / 105,190,794.96-157,821,621.90-66,284,064.96

Finding the Fourth Proportional to 105,190,794.96, 157,821,621.90 and 66,284,064.96

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Solution

The fourth proportional to 105,190,794.96, 157,821,621.90 and 66,284,064.96 is: 99,448,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190,794.96 : 157,821,621.90 = 66,284,064.96 : x
  2. Step 2: Convert to fraction form
    105,190,794.96/157,821,621.90 = 66,284,064.96/x
  3. Step 3: Cross multiply
    105,190,794.96x = 157,821,621.90 × 66,284,064.96
  4. Step 4: Simplify right side
    105,190,794.96x = 10,461,058,638,112,160
  5. Step 5: Solve for x
    x = 10,461,058,638,112,160/105,190,794.96
  6. Step 6: Final answer
    x = 99,448,422.67

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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.