Home / 55,027,340.40-82,573,669.80-20,952,130.80

Finding the Fourth Proportional to 55,027,340.40, 82,573,669.80 and 20,952,130.80

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Solution

The fourth proportional to 55,027,340.40, 82,573,669.80 and 20,952,130.80 is: 31,440,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027,340.40 : 82,573,669.80 = 20,952,130.80 : x
  2. Step 2: Convert to fraction form
    55,027,340.40/82,573,669.80 = 20,952,130.80/x
  3. Step 3: Cross multiply
    55,027,340.40x = 82,573,669.80 × 20,952,130.80
  4. Step 4: Simplify right side
    55,027,340.40x = 1,730,094,330,285,609.75
  5. Step 5: Solve for x
    x = 1,730,094,330,285,609.75/55,027,340.40
  6. Step 6: Final answer
    x = 31,440,631.47

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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.