Home / 118,103,477.20-177,155,215.80-115,449,269.20

Finding the Fourth Proportional to 118,103,477.20, 177,155,215.80 and 115,449,269.20

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Solution

The fourth proportional to 118,103,477.20, 177,155,215.80 and 115,449,269.20 is: 173,173,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,103,477.20 : 177,155,215.80 = 115,449,269.20 : x
  2. Step 2: Convert to fraction form
    118,103,477.20/177,155,215.80 = 115,449,269.20/x
  3. Step 3: Cross multiply
    118,103,477.20x = 177,155,215.80 × 115,449,269.20
  4. Step 4: Simplify right side
    118,103,477.20x = 20,452,440,199,078,296
  5. Step 5: Solve for x
    x = 20,452,440,199,078,296/118,103,477.20
  6. Step 6: Final answer
    x = 173,173,903.80

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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.