Home / 118,346,720.40-177,520,080.60-89,648,906.40

Finding the Fourth Proportional to 118,346,720.40, 177,520,080.60 and 89,648,906.40

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Solution

The fourth proportional to 118,346,720.40, 177,520,080.60 and 89,648,906.40 is: 134,473,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,720.40 : 177,520,080.60 = 89,648,906.40 : x
  2. Step 2: Convert to fraction form
    118,346,720.40/177,520,080.60 = 89,648,906.40/x
  3. Step 3: Cross multiply
    118,346,720.40x = 177,520,080.60 × 89,648,906.40
  4. Step 4: Simplify right side
    118,346,720.40x = 15,914,481,089,829,856
  5. Step 5: Solve for x
    x = 15,914,481,089,829,856/118,346,720.40
  6. Step 6: Final answer
    x = 134,473,359.60

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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.