Home / 140,433,455.40-210,650,183.10-123,427,343.40

Finding the Fourth Proportional to 140,433,455.40, 210,650,183.10 and 123,427,343.40

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Solution

The fourth proportional to 140,433,455.40, 210,650,183.10 and 123,427,343.40 is: 185,141,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,433,455.40 : 210,650,183.10 = 123,427,343.40 : x
  2. Step 2: Convert to fraction form
    140,433,455.40/210,650,183.10 = 123,427,343.40/x
  3. Step 3: Cross multiply
    140,433,455.40x = 210,650,183.10 × 123,427,343.40
  4. Step 4: Simplify right side
    140,433,455.40x = 25,999,992,486,756,576
  5. Step 5: Solve for x
    x = 25,999,992,486,756,576/140,433,455.40
  6. Step 6: Final answer
    x = 185,141,015.10

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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.