Home / 82,782,551.40-124,173,827.10-39,629,542.20

Finding the Fourth Proportional to 82,782,551.40, 124,173,827.10 and 39,629,542.20

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Solution

The fourth proportional to 82,782,551.40, 124,173,827.10 and 39,629,542.20 is: 59,444,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,782,551.40 : 124,173,827.10 = 39,629,542.20 : x
  2. Step 2: Convert to fraction form
    82,782,551.40/124,173,827.10 = 39,629,542.20/x
  3. Step 3: Cross multiply
    82,782,551.40x = 124,173,827.10 × 39,629,542.20
  4. Step 4: Simplify right side
    82,782,551.40x = 4,920,951,921,194,954
  5. Step 5: Solve for x
    x = 4,920,951,921,194,954/82,782,551.40
  6. Step 6: Final answer
    x = 59,444,313.30

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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.