Home / 126,384,014.60-189,576,021.90-71,775,499.40

Finding the Fourth Proportional to 126,384,014.60, 189,576,021.90 and 71,775,499.40

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Solution

The fourth proportional to 126,384,014.60, 189,576,021.90 and 71,775,499.40 is: 107,663,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384,014.60 : 189,576,021.90 = 71,775,499.40 : x
  2. Step 2: Convert to fraction form
    126,384,014.60/189,576,021.90 = 71,775,499.40/x
  3. Step 3: Cross multiply
    126,384,014.60x = 189,576,021.90 × 71,775,499.40
  4. Step 4: Simplify right side
    126,384,014.60x = 13,606,913,646,137,838
  5. Step 5: Solve for x
    x = 13,606,913,646,137,838/126,384,014.60
  6. Step 6: Final answer
    x = 107,663,249.10

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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.