Home / 131,328,267.60-196,992,401.40-40,440,046.80

Finding the Fourth Proportional to 131,328,267.60, 196,992,401.40 and 40,440,046.80

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Solution

The fourth proportional to 131,328,267.60, 196,992,401.40 and 40,440,046.80 is: 60,660,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,267.60 : 196,992,401.40 = 40,440,046.80 : x
  2. Step 2: Convert to fraction form
    131,328,267.60/196,992,401.40 = 40,440,046.80/x
  3. Step 3: Cross multiply
    131,328,267.60x = 196,992,401.40 × 40,440,046.80
  4. Step 4: Simplify right side
    131,328,267.60x = 7,966,381,931,860,385
  5. Step 5: Solve for x
    x = 7,966,381,931,860,385/131,328,267.60
  6. Step 6: Final answer
    x = 60,660,070.20

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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.