Home / 189,905,506.40-284,858,259.60-113,378,002.40

Finding the Fourth Proportional to 189,905,506.40, 284,858,259.60 and 113,378,002.40

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Solution

The fourth proportional to 189,905,506.40, 284,858,259.60 and 113,378,002.40 is: 170,067,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,905,506.40 : 284,858,259.60 = 113,378,002.40 : x
  2. Step 2: Convert to fraction form
    189,905,506.40/284,858,259.60 = 113,378,002.40/x
  3. Step 3: Cross multiply
    189,905,506.40x = 284,858,259.60 × 113,378,002.40
  4. Step 4: Simplify right side
    189,905,506.40x = 32,296,660,440,588,628
  5. Step 5: Solve for x
    x = 32,296,660,440,588,628/189,905,506.40
  6. Step 6: Final answer
    x = 170,067,003.60

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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.