Home / 118,105,320.20-177,346,937.10-89,383,886.60

Finding the Fourth Proportional to 118,105,320.20, 177,346,937.10 and 89,383,886.60

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Solution

The fourth proportional to 118,105,320.20, 177,346,937.10 and 89,383,886.60 is: 134,218,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,105,320.20 : 177,346,937.10 = 89,383,886.60 : x
  2. Step 2: Convert to fraction form
    118,105,320.20/177,346,937.10 = 89,383,886.60/x
  3. Step 3: Cross multiply
    118,105,320.20x = 177,346,937.10 × 89,383,886.60
  4. Step 4: Simplify right side
    118,105,320.20x = 15,851,958,514,603,732
  5. Step 5: Solve for x
    x = 15,851,958,514,603,732/118,105,320.20
  6. Step 6: Final answer
    x = 134,218,835.25

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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.