Home / 84,768,041.80-127,152,062.70-20,942,633.80

Finding the Fourth Proportional to 84,768,041.80, 127,152,062.70 and 20,942,633.80

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Solution

The fourth proportional to 84,768,041.80, 127,152,062.70 and 20,942,633.80 is: 31,413,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,768,041.80 : 127,152,062.70 = 20,942,633.80 : x
  2. Step 2: Convert to fraction form
    84,768,041.80/127,152,062.70 = 20,942,633.80/x
  3. Step 3: Cross multiply
    84,768,041.80x = 127,152,062.70 × 20,942,633.80
  4. Step 4: Simplify right side
    84,768,041.80x = 2,662,899,086,040,739.50
  5. Step 5: Solve for x
    x = 2,662,899,086,040,739.50/84,768,041.80
  6. Step 6: Final answer
    x = 31,413,950.70

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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.