Home / 117,632,343.08-162,337,112.70-65,425,153.88

Finding the Fourth Proportional to 117,632,343.08, 162,337,112.70 and 65,425,153.88

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Solution

The fourth proportional to 117,632,343.08, 162,337,112.70 and 65,425,153.88 is: 90,289,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,343.08 : 162,337,112.70 = 65,425,153.88 : x
  2. Step 2: Convert to fraction form
    117,632,343.08/162,337,112.70 = 65,425,153.88/x
  3. Step 3: Cross multiply
    117,632,343.08x = 162,337,112.70 × 65,425,153.88
  4. Step 4: Simplify right side
    117,632,343.08x = 10,620,930,578,832,402
  5. Step 5: Solve for x
    x = 10,620,930,578,832,402/117,632,343.08
  6. Step 6: Final answer
    x = 90,289,203.64

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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.