Home / 118,346,774.60-177,520,161.90-105,497,712.20

Finding the Fourth Proportional to 118,346,774.60, 177,520,161.90 and 105,497,712.20

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Solution

The fourth proportional to 118,346,774.60, 177,520,161.90 and 105,497,712.20 is: 158,246,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,774.60 : 177,520,161.90 = 105,497,712.20 : x
  2. Step 2: Convert to fraction form
    118,346,774.60/177,520,161.90 = 105,497,712.20/x
  3. Step 3: Cross multiply
    118,346,774.60x = 177,520,161.90 × 105,497,712.20
  4. Step 4: Simplify right side
    118,346,774.60x = 18,727,970,949,823,608
  5. Step 5: Solve for x
    x = 18,727,970,949,823,608/118,346,774.60
  6. Step 6: Final answer
    x = 158,246,568.30

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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.