Home / 55,296,036.40-82,944,054.60-28,086,257.20

Finding the Fourth Proportional to 55,296,036.40, 82,944,054.60 and 28,086,257.20

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Solution

The fourth proportional to 55,296,036.40, 82,944,054.60 and 28,086,257.20 is: 42,129,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296,036.40 : 82,944,054.60 = 28,086,257.20 : x
  2. Step 2: Convert to fraction form
    55,296,036.40/82,944,054.60 = 28,086,257.20/x
  3. Step 3: Cross multiply
    55,296,036.40x = 82,944,054.60 × 28,086,257.20
  4. Step 4: Simplify right side
    55,296,036.40x = 2,329,588,050,706,443
  5. Step 5: Solve for x
    x = 2,329,588,050,706,443/55,296,036.40
  6. Step 6: Final answer
    x = 42,129,385.80

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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.