Home / 132,415,009.70-182,732,542.16-82,160,537.21

Finding the Fourth Proportional to 132,415,009.70, 182,732,542.16 and 82,160,537.21

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Solution

The fourth proportional to 132,415,009.70, 182,732,542.16 and 82,160,537.21 is: 113,381,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415,009.70 : 182,732,542.16 = 82,160,537.21 : x
  2. Step 2: Convert to fraction form
    132,415,009.70/182,732,542.16 = 82,160,537.21/x
  3. Step 3: Cross multiply
    132,415,009.70x = 182,732,542.16 × 82,160,537.21
  4. Step 4: Simplify right side
    132,415,009.70x = 15,013,403,828,906,312
  5. Step 5: Solve for x
    x = 15,013,403,828,906,312/132,415,009.70
  6. Step 6: Final answer
    x = 113,381,435.11

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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.