Home / 131,418,180.90-196,972,464.55-53,646,514.47

Finding the Fourth Proportional to 131,418,180.90, 196,972,464.55 and 53,646,514.47

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Solution

The fourth proportional to 131,418,180.90, 196,972,464.55 and 53,646,514.47 is: 80,406,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,418,180.90 : 196,972,464.55 = 53,646,514.47 : x
  2. Step 2: Convert to fraction form
    131,418,180.90/196,972,464.55 = 53,646,514.47/x
  3. Step 3: Cross multiply
    131,418,180.90x = 196,972,464.55 × 53,646,514.47
  4. Step 4: Simplify right side
    131,418,180.90x = 10,566,886,169,740,196
  5. Step 5: Solve for x
    x = 10,566,886,169,740,196/131,418,180.90
  6. Step 6: Final answer
    x = 80,406,577.67

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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.