Home / 111,085,507.76-166,639,213.08-38,292,705.28

Finding the Fourth Proportional to 111,085,507.76, 166,639,213.08 and 38,292,705.28

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Solution

The fourth proportional to 111,085,507.76, 166,639,213.08 and 38,292,705.28 is: 57,442,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,085,507.76 : 166,639,213.08 = 38,292,705.28 : x
  2. Step 2: Convert to fraction form
    111,085,507.76/166,639,213.08 = 38,292,705.28/x
  3. Step 3: Cross multiply
    111,085,507.76x = 166,639,213.08 × 38,292,705.28
  4. Step 4: Simplify right side
    111,085,507.76x = 6,381,066,274,563,562
  5. Step 5: Solve for x
    x = 6,381,066,274,563,562/111,085,507.76
  6. Step 6: Final answer
    x = 57,442,833.03

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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.