Home / 131,328,511.20-196,992,766.80-35,590,399.20

Finding the Fourth Proportional to 131,328,511.20, 196,992,766.80 and 35,590,399.20

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Solution

The fourth proportional to 131,328,511.20, 196,992,766.80 and 35,590,399.20 is: 53,385,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,511.20 : 196,992,766.80 = 35,590,399.20 : x
  2. Step 2: Convert to fraction form
    131,328,511.20/196,992,766.80 = 35,590,399.20/x
  3. Step 3: Cross multiply
    131,328,511.20x = 196,992,766.80 × 35,590,399.20
  4. Step 4: Simplify right side
    131,328,511.20x = 7,011,051,209,924,508
  5. Step 5: Solve for x
    x = 7,011,051,209,924,508/131,328,511.20
  6. Step 6: Final answer
    x = 53,385,598.80

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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.