Home / 82,760,690.80-124,141,036.20-28,901,004.40

Finding the Fourth Proportional to 82,760,690.80, 124,141,036.20 and 28,901,004.40

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Solution

The fourth proportional to 82,760,690.80, 124,141,036.20 and 28,901,004.40 is: 43,351,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760,690.80 : 124,141,036.20 = 28,901,004.40 : x
  2. Step 2: Convert to fraction form
    82,760,690.80/124,141,036.20 = 28,901,004.40/x
  3. Step 3: Cross multiply
    82,760,690.80x = 124,141,036.20 × 28,901,004.40
  4. Step 4: Simplify right side
    82,760,690.80x = 3,587,800,633,436,759
  5. Step 5: Solve for x
    x = 3,587,800,633,436,759/82,760,690.80
  6. Step 6: Final answer
    x = 43,351,506.60

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1.5x scale

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.