Home / 51,989,000.16-71,749,634.48-28,784,127.44

Finding the Fourth Proportional to 51,989,000.16, 71,749,634.48 and 28,784,127.44

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Solution

The fourth proportional to 51,989,000.16, 71,749,634.48 and 28,784,127.44 is: 39,724,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989,000.16 : 71,749,634.48 = 28,784,127.44 : x
  2. Step 2: Convert to fraction form
    51,989,000.16/71,749,634.48 = 28,784,127.44/x
  3. Step 3: Cross multiply
    51,989,000.16x = 71,749,634.48 × 28,784,127.44
  4. Step 4: Simplify right side
    51,989,000.16x = 2,065,250,622,645,738.25
  5. Step 5: Solve for x
    x = 2,065,250,622,645,738.25/51,989,000.16
  6. Step 6: Final answer
    x = 39,724,761.32

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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.