Home / 137,609,877.94-189,901,576.62-75,730,216.54

Finding the Fourth Proportional to 137,609,877.94, 189,901,576.62 and 75,730,216.54

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Solution

The fourth proportional to 137,609,877.94, 189,901,576.62 and 75,730,216.54 is: 104,507,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,609,877.94 : 189,901,576.62 = 75,730,216.54 : x
  2. Step 2: Convert to fraction form
    137,609,877.94/189,901,576.62 = 75,730,216.54/x
  3. Step 3: Cross multiply
    137,609,877.94x = 189,901,576.62 × 75,730,216.54
  4. Step 4: Simplify right side
    137,609,877.94x = 14,381,287,518,720,002
  5. Step 5: Solve for x
    x = 14,381,287,518,720,002/137,609,877.94
  6. Step 6: Final answer
    x = 104,507,668.59

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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.