Home / 53,253,935.22-79,883,182.16-20,912,835.58

Finding the Fourth Proportional to 53,253,935.22, 79,883,182.16 and 20,912,835.58

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Solution

The fourth proportional to 53,253,935.22, 79,883,182.16 and 20,912,835.58 is: 31,370,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,253,935.22 : 79,883,182.16 = 20,912,835.58 : x
  2. Step 2: Convert to fraction form
    53,253,935.22/79,883,182.16 = 20,912,835.58/x
  3. Step 3: Cross multiply
    53,253,935.22x = 79,883,182.16 × 20,912,835.58
  4. Step 4: Simplify right side
    53,253,935.22x = 1,670,583,854,119,269
  5. Step 5: Solve for x
    x = 1,670,583,854,119,269/53,253,935.22
  6. Step 6: Final answer
    x = 31,370,148.46

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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.