Home / 137,609,876.94-189,901,575.24-75,730,215.54

Finding the Fourth Proportional to 137,609,876.94, 189,901,575.24 and 75,730,215.54

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Solution

The fourth proportional to 137,609,876.94, 189,901,575.24 and 75,730,215.54 is: 104,507,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,609,876.94 : 189,901,575.24 = 75,730,215.54 : x
  2. Step 2: Convert to fraction form
    137,609,876.94/189,901,575.24 = 75,730,215.54/x
  3. Step 3: Cross multiply
    137,609,876.94x = 189,901,575.24 × 75,730,215.54
  4. Step 4: Simplify right side
    137,609,876.94x = 14,381,287,224,310,730
  5. Step 5: Solve for x
    x = 14,381,287,224,310,730/137,609,876.94
  6. Step 6: Final answer
    x = 104,507,667.21

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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.