Home / 127,568,972.24-191,427,725.16-53,788,125.54

Finding the Fourth Proportional to 127,568,972.24, 191,427,725.16 and 53,788,125.54

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Solution

The fourth proportional to 127,568,972.24, 191,427,725.16 and 53,788,125.54 is: 80,713,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,972.24 : 191,427,725.16 = 53,788,125.54 : x
  2. Step 2: Convert to fraction form
    127,568,972.24/191,427,725.16 = 53,788,125.54/x
  3. Step 3: Cross multiply
    127,568,972.24x = 191,427,725.16 × 53,788,125.54
  4. Step 4: Simplify right side
    127,568,972.24x = 10,296,538,512,742,696
  5. Step 5: Solve for x
    x = 10,296,538,512,742,696/127,568,972.24
  6. Step 6: Final answer
    x = 80,713,502.13

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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.