Home / 118,082,649.80-177,148,857.90-49,890,240.20

Finding the Fourth Proportional to 118,082,649.80, 177,148,857.90 and 49,890,240.20

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Solution

The fourth proportional to 118,082,649.80, 177,148,857.90 and 49,890,240.20 is: 74,845,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,082,649.80 : 177,148,857.90 = 49,890,240.20 : x
  2. Step 2: Convert to fraction form
    118,082,649.80/177,148,857.90 = 49,890,240.20/x
  3. Step 3: Cross multiply
    118,082,649.80x = 177,148,857.90 × 49,890,240.20
  4. Step 4: Simplify right side
    118,082,649.80x = 8,837,999,071,786,668
  5. Step 5: Solve for x
    x = 8,837,999,071,786,668/118,082,649.80
  6. Step 6: Final answer
    x = 74,845,873.52

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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.