Home / 118,026,007.20-177,039,010.80-115,758,525.60

Finding the Fourth Proportional to 118,026,007.20, 177,039,010.80 and 115,758,525.60

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Solution

The fourth proportional to 118,026,007.20, 177,039,010.80 and 115,758,525.60 is: 173,637,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026,007.20 : 177,039,010.80 = 115,758,525.60 : x
  2. Step 2: Convert to fraction form
    118,026,007.20/177,039,010.80 = 115,758,525.60/x
  3. Step 3: Cross multiply
    118,026,007.20x = 177,039,010.80 × 115,758,525.60
  4. Step 4: Simplify right side
    118,026,007.20x = 20,493,774,863,890,476
  5. Step 5: Solve for x
    x = 20,493,774,863,890,476/118,026,007.20
  6. Step 6: Final answer
    x = 173,637,788.40

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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.