Home / 71,063,999.80-106,595,999.70-65,962,166.20

Finding the Fourth Proportional to 71,063,999.80, 106,595,999.70 and 65,962,166.20

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Solution

The fourth proportional to 71,063,999.80, 106,595,999.70 and 65,962,166.20 is: 98,943,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063,999.80 : 106,595,999.70 = 65,962,166.20 : x
  2. Step 2: Convert to fraction form
    71,063,999.80/106,595,999.70 = 65,962,166.20/x
  3. Step 3: Cross multiply
    71,063,999.80x = 106,595,999.70 × 65,962,166.20
  4. Step 4: Simplify right side
    71,063,999.80x = 7,031,303,048,466,551
  5. Step 5: Solve for x
    x = 7,031,303,048,466,551/71,063,999.80
  6. Step 6: Final answer
    x = 98,943,249.30

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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.