Home / 118,340,999.20-177,511,498.80-69,842,087.20

Finding the Fourth Proportional to 118,340,999.20, 177,511,498.80 and 69,842,087.20

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Solution

The fourth proportional to 118,340,999.20, 177,511,498.80 and 69,842,087.20 is: 104,763,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,340,999.20 : 177,511,498.80 = 69,842,087.20 : x
  2. Step 2: Convert to fraction form
    118,340,999.20/177,511,498.80 = 69,842,087.20/x
  3. Step 3: Cross multiply
    118,340,999.20x = 177,511,498.80 × 69,842,087.20
  4. Step 4: Simplify right side
    118,340,999.20x = 12,397,773,578,192,296
  5. Step 5: Solve for x
    x = 12,397,773,578,192,296/118,340,999.20
  6. Step 6: Final answer
    x = 104,763,130.80

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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.