Home / 51,988,646.52-71,749,144.80-28,783,773.36

Finding the Fourth Proportional to 51,988,646.52, 71,749,144.80 and 28,783,773.36

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Solution

The fourth proportional to 51,988,646.52, 71,749,144.80 and 28,783,773.36 is: 39,724,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,646.52 : 71,749,144.80 = 28,783,773.36 : x
  2. Step 2: Convert to fraction form
    51,988,646.52/71,749,144.80 = 28,783,773.36/x
  3. Step 3: Cross multiply
    51,988,646.52x = 71,749,144.80 × 28,783,773.36
  4. Step 4: Simplify right side
    51,988,646.52x = 2,065,211,122,697,022.50
  5. Step 5: Solve for x
    x = 2,065,211,122,697,022.50/51,988,646.52
  6. Step 6: Final answer
    x = 39,724,271.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.