Home / 137,418,173.08-189,639,434.46-75,541,119.64

Finding the Fourth Proportional to 137,418,173.08, 189,639,434.46 and 75,541,119.64

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Solution

The fourth proportional to 137,418,173.08, 189,639,434.46 and 75,541,119.64 is: 104,248,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,418,173.08 : 189,639,434.46 = 75,541,119.64 : x
  2. Step 2: Convert to fraction form
    137,418,173.08/189,639,434.46 = 75,541,119.64/x
  3. Step 3: Cross multiply
    137,418,173.08x = 189,639,434.46 × 75,541,119.64
  4. Step 4: Simplify right side
    137,418,173.08x = 14,325,575,207,004,800
  5. Step 5: Solve for x
    x = 14,325,575,207,004,800/137,418,173.08
  6. Step 6: Final answer
    x = 104,248,040.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.