Home / 260,968,100.32-391,193,582.16-122,545,918.24

Finding the Fourth Proportional to 260,968,100.32, 391,193,582.16 and 122,545,918.24

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Solution

The fourth proportional to 260,968,100.32, 391,193,582.16 and 122,545,918.24 is: 183,697,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,968,100.32 : 391,193,582.16 = 122,545,918.24 : x
  2. Step 2: Convert to fraction form
    260,968,100.32/391,193,582.16 = 122,545,918.24/x
  3. Step 3: Cross multiply
    260,968,100.32x = 391,193,582.16 × 122,545,918.24
  4. Step 4: Simplify right side
    260,968,100.32x = 47,939,176,735,392,080
  5. Step 5: Solve for x
    x = 47,939,176,735,392,080/260,968,100.32
  6. Step 6: Final answer
    x = 183,697,458.34

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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.