Home / 105,190,793.96-157,821,620.40-66,284,063.96

Finding the Fourth Proportional to 105,190,793.96, 157,821,620.40 and 66,284,063.96

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Solution

The fourth proportional to 105,190,793.96, 157,821,620.40 and 66,284,063.96 is: 99,448,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190,793.96 : 157,821,620.40 = 66,284,063.96 : x
  2. Step 2: Convert to fraction form
    105,190,793.96/157,821,620.40 = 66,284,063.96/x
  3. Step 3: Cross multiply
    105,190,793.96x = 157,821,620.40 × 66,284,063.96
  4. Step 4: Simplify right side
    105,190,793.96x = 10,461,058,380,864,442
  5. Step 5: Solve for x
    x = 10,461,058,380,864,442/105,190,793.96
  6. Step 6: Final answer
    x = 99,448,421.17

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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.