Home / 51,365,043.88-70,883,743.44-28,159,673.20

Finding the Fourth Proportional to 51,365,043.88, 70,883,743.44 and 28,159,673.20

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Solution

The fourth proportional to 51,365,043.88, 70,883,743.44 and 28,159,673.20 is: 38,860,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365,043.88 : 70,883,743.44 = 28,159,673.20 : x
  2. Step 2: Convert to fraction form
    51,365,043.88/70,883,743.44 = 28,159,673.20/x
  3. Step 3: Cross multiply
    51,365,043.88x = 70,883,743.44 × 28,159,673.20
  4. Step 4: Simplify right side
    51,365,043.88x = 1,996,063,050,463,043.75
  5. Step 5: Solve for x
    x = 1,996,063,050,463,043.75/51,365,043.88
  6. Step 6: Final answer
    x = 38,860,339.63

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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.