Home / 111,138,667.60-166,708,001.40-30,359,635.60

Finding the Fourth Proportional to 111,138,667.60, 166,708,001.40 and 30,359,635.60

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Solution

The fourth proportional to 111,138,667.60, 166,708,001.40 and 30,359,635.60 is: 45,539,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,138,667.60 : 166,708,001.40 = 30,359,635.60 : x
  2. Step 2: Convert to fraction form
    111,138,667.60/166,708,001.40 = 30,359,635.60/x
  3. Step 3: Cross multiply
    111,138,667.60x = 166,708,001.40 × 30,359,635.60
  4. Step 4: Simplify right side
    111,138,667.60x = 5,061,194,174,108,290
  5. Step 5: Solve for x
    x = 5,061,194,174,108,290/111,138,667.60
  6. Step 6: Final answer
    x = 45,539,453.40

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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.