Home / 82,969,853.34-124,414,947.45-39,214,165.26

Finding the Fourth Proportional to 82,969,853.34, 124,414,947.45 and 39,214,165.26

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Solution

The fourth proportional to 82,969,853.34, 124,414,947.45 and 39,214,165.26 is: 58,802,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,969,853.34 : 124,414,947.45 = 39,214,165.26 : x
  2. Step 2: Convert to fraction form
    82,969,853.34/124,414,947.45 = 39,214,165.26/x
  3. Step 3: Cross multiply
    82,969,853.34x = 124,414,947.45 × 39,214,165.26
  4. Step 4: Simplify right side
    82,969,853.34x = 4,878,828,310,118,515
  5. Step 5: Solve for x
    x = 4,878,828,310,118,515/82,969,853.34
  6. Step 6: Final answer
    x = 58,802,421.77

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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.