Home / 117,753,953.82-162,500,464.08-65,541,868.98

Finding the Fourth Proportional to 117,753,953.82, 162,500,464.08 and 65,541,868.98

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Solution

The fourth proportional to 117,753,953.82, 162,500,464.08 and 65,541,868.98 is: 90,447,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,953.82 : 162,500,464.08 = 65,541,868.98 : x
  2. Step 2: Convert to fraction form
    117,753,953.82/162,500,464.08 = 65,541,868.98/x
  3. Step 3: Cross multiply
    117,753,953.82x = 162,500,464.08 × 65,541,868.98
  4. Step 4: Simplify right side
    117,753,953.82x = 10,650,584,125,920,556
  5. Step 5: Solve for x
    x = 10,650,584,125,920,556/117,753,953.82
  6. Step 6: Final answer
    x = 90,447,783.54

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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.