Home / 70,957,736.20-106,237,538.70-68,967,080.20

Finding the Fourth Proportional to 70,957,736.20, 106,237,538.70 and 68,967,080.20

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Solution

The fourth proportional to 70,957,736.20, 106,237,538.70 and 68,967,080.20 is: 103,257,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,957,736.20 : 106,237,538.70 = 68,967,080.20 : x
  2. Step 2: Convert to fraction form
    70,957,736.20/106,237,538.70 = 68,967,080.20/x
  3. Step 3: Cross multiply
    70,957,736.20x = 106,237,538.70 × 68,967,080.20
  4. Step 4: Simplify right side
    70,957,736.20x = 7,326,892,851,773,504
  5. Step 5: Solve for x
    x = 7,326,892,851,773,504/70,957,736.20
  6. Step 6: Final answer
    x = 103,257,139.31

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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.