Home / 71,331,262.80-106,996,894.20-45,822,094.80

Finding the Fourth Proportional to 71,331,262.80, 106,996,894.20 and 45,822,094.80

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Solution

The fourth proportional to 71,331,262.80, 106,996,894.20 and 45,822,094.80 is: 68,733,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331,262.80 : 106,996,894.20 = 45,822,094.80 : x
  2. Step 2: Convert to fraction form
    71,331,262.80/106,996,894.20 = 45,822,094.80/x
  3. Step 3: Cross multiply
    71,331,262.80x = 106,996,894.20 × 45,822,094.80
  4. Step 4: Simplify right side
    71,331,262.80x = 4,902,821,829,337,970
  5. Step 5: Solve for x
    x = 4,902,821,829,337,970/71,331,262.80
  6. Step 6: Final answer
    x = 68,733,142.20

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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.