Home / 137,930,830.70-206,896,246.05-113,271,968.30

Finding the Fourth Proportional to 137,930,830.70, 206,896,246.05 and 113,271,968.30

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Solution

The fourth proportional to 137,930,830.70, 206,896,246.05 and 113,271,968.30 is: 169,907,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,930,830.70 : 206,896,246.05 = 113,271,968.30 : x
  2. Step 2: Convert to fraction form
    137,930,830.70/206,896,246.05 = 113,271,968.30/x
  3. Step 3: Cross multiply
    137,930,830.70x = 206,896,246.05 × 113,271,968.30
  4. Step 4: Simplify right side
    137,930,830.70x = 23,435,545,023,964,600
  5. Step 5: Solve for x
    x = 23,435,545,023,964,600/137,930,830.70
  6. Step 6: Final answer
    x = 169,907,952.45

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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.