Home / 176,979,810.40-265,469,715.60-128,606,869.60

Finding the Fourth Proportional to 176,979,810.40, 265,469,715.60 and 128,606,869.60

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Solution

The fourth proportional to 176,979,810.40, 265,469,715.60 and 128,606,869.60 is: 192,910,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,979,810.40 : 265,469,715.60 = 128,606,869.60 : x
  2. Step 2: Convert to fraction form
    176,979,810.40/265,469,715.60 = 128,606,869.60/x
  3. Step 3: Cross multiply
    176,979,810.40x = 265,469,715.60 × 128,606,869.60
  4. Step 4: Simplify right side
    176,979,810.40x = 34,141,229,096,918,284
  5. Step 5: Solve for x
    x = 34,141,229,096,918,284/176,979,810.40
  6. Step 6: Final answer
    x = 192,910,304.40

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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.