Home / 177,183,915.20-265,775,872.80-108,804,881.60

Finding the Fourth Proportional to 177,183,915.20, 265,775,872.80 and 108,804,881.60

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Solution

The fourth proportional to 177,183,915.20, 265,775,872.80 and 108,804,881.60 is: 163,207,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,183,915.20 : 265,775,872.80 = 108,804,881.60 : x
  2. Step 2: Convert to fraction form
    177,183,915.20/265,775,872.80 = 108,804,881.60/x
  3. Step 3: Cross multiply
    177,183,915.20x = 265,775,872.80 × 108,804,881.60
  4. Step 4: Simplify right side
    177,183,915.20x = 28,917,712,372,140,660
  5. Step 5: Solve for x
    x = 28,917,712,372,140,660/177,183,915.20
  6. Step 6: Final answer
    x = 163,207,322.40

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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.