Home / 137,520,206.80-206,209,451.40-51,214,188.40

Finding the Fourth Proportional to 137,520,206.80, 206,209,451.40 and 51,214,188.40

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Solution

The fourth proportional to 137,520,206.80, 206,209,451.40 and 51,214,188.40 is: 76,794,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,520,206.80 : 206,209,451.40 = 51,214,188.40 : x
  2. Step 2: Convert to fraction form
    137,520,206.80/206,209,451.40 = 51,214,188.40/x
  3. Step 3: Cross multiply
    137,520,206.80x = 206,209,451.40 × 51,214,188.40
  4. Step 4: Simplify right side
    137,520,206.80x = 10,560,849,693,860,244
  5. Step 5: Solve for x
    x = 10,560,849,693,860,244/137,520,206.80
  6. Step 6: Final answer
    x = 76,794,893.93

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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.