Home / 51,270,865.02-70,749,310.32-30,359,146.14

Finding the Fourth Proportional to 51,270,865.02, 70,749,310.32 and 30,359,146.14

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Solution

The fourth proportional to 51,270,865.02, 70,749,310.32 and 30,359,146.14 is: 41,892,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270,865.02 : 70,749,310.32 = 30,359,146.14 : x
  2. Step 2: Convert to fraction form
    51,270,865.02/70,749,310.32 = 30,359,146.14/x
  3. Step 3: Cross multiply
    51,270,865.02x = 70,749,310.32 × 30,359,146.14
  4. Step 4: Simplify right side
    51,270,865.02x = 2,147,888,651,309,090
  5. Step 5: Solve for x
    x = 2,147,888,651,309,090/51,270,865.02
  6. Step 6: Final answer
    x = 41,892,966.90

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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.