Home / 117,400,307.20-176,100,460.80-73,751,286.40

Finding the Fourth Proportional to 117,400,307.20, 176,100,460.80 and 73,751,286.40

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Solution

The fourth proportional to 117,400,307.20, 176,100,460.80 and 73,751,286.40 is: 110,626,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,400,307.20 : 176,100,460.80 = 73,751,286.40 : x
  2. Step 2: Convert to fraction form
    117,400,307.20/176,100,460.80 = 73,751,286.40/x
  3. Step 3: Cross multiply
    117,400,307.20x = 176,100,460.80 × 73,751,286.40
  4. Step 4: Simplify right side
    117,400,307.20x = 12,987,635,519,632,776
  5. Step 5: Solve for x
    x = 12,987,635,519,632,776/117,400,307.20
  6. Step 6: Final answer
    x = 110,626,929.60

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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.