Home / 213,576,931.47-320,396,096.92-66,035,997.52

Finding the Fourth Proportional to 213,576,931.47, 320,396,096.92 and 66,035,997.52

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Solution

The fourth proportional to 213,576,931.47, 320,396,096.92 and 66,035,997.52 is: 99,063,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,576,931.47 : 320,396,096.92 = 66,035,997.52 : x
  2. Step 2: Convert to fraction form
    213,576,931.47/320,396,096.92 = 66,035,997.52/x
  3. Step 3: Cross multiply
    213,576,931.47x = 320,396,096.92 × 66,035,997.52
  4. Step 4: Simplify right side
    213,576,931.47x = 21,157,675,860,334,392
  5. Step 5: Solve for x
    x = 21,157,675,860,334,392/213,576,931.47
  6. Step 6: Final answer
    x = 99,063,488.34

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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.