Home / 152,955,353.88-211,078,418.73-83,340,734.76

Finding the Fourth Proportional to 152,955,353.88, 211,078,418.73 and 83,340,734.76

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Solution

The fourth proportional to 152,955,353.88, 211,078,418.73 and 83,340,734.76 is: 115,010,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955,353.88 : 211,078,418.73 = 83,340,734.76 : x
  2. Step 2: Convert to fraction form
    152,955,353.88/211,078,418.73 = 83,340,734.76/x
  3. Step 3: Cross multiply
    152,955,353.88x = 211,078,418.73 × 83,340,734.76
  4. Step 4: Simplify right side
    152,955,353.88x = 17,591,430,508,520,444
  5. Step 5: Solve for x
    x = 17,591,430,508,520,444/152,955,353.88
  6. Step 6: Final answer
    x = 115,010,230.52

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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.