Home / 152,955,353.38-211,078,418.03-83,340,734.26

Finding the Fourth Proportional to 152,955,353.38, 211,078,418.03 and 83,340,734.26

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Solution

The fourth proportional to 152,955,353.38, 211,078,418.03 and 83,340,734.26 is: 115,010,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955,353.38 : 211,078,418.03 = 83,340,734.26 : x
  2. Step 2: Convert to fraction form
    152,955,353.38/211,078,418.03 = 83,340,734.26/x
  3. Step 3: Cross multiply
    152,955,353.38x = 211,078,418.03 × 83,340,734.26
  4. Step 4: Simplify right side
    152,955,353.38x = 17,591,430,344,740,076
  5. Step 5: Solve for x
    x = 17,591,430,344,740,076/152,955,353.38
  6. Step 6: Final answer
    x = 115,010,229.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.