Home / 115,712,133.92-173,562,576.24-42,943,091.52

Finding the Fourth Proportional to 115,712,133.92, 173,562,576.24 and 42,943,091.52

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Solution

The fourth proportional to 115,712,133.92, 173,562,576.24 and 42,943,091.52 is: 64,412,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,712,133.92 : 173,562,576.24 = 42,943,091.52 : x
  2. Step 2: Convert to fraction form
    115,712,133.92/173,562,576.24 = 42,943,091.52/x
  3. Step 3: Cross multiply
    115,712,133.92x = 173,562,576.24 × 42,943,091.52
  4. Step 4: Simplify right side
    115,712,133.92x = 7,453,313,595,921,298
  5. Step 5: Solve for x
    x = 7,453,313,595,921,298/115,712,133.92
  6. Step 6: Final answer
    x = 64,412,549.86

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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.