Home / 82,086,637.62-113,252,054.13-47,278,631.22

Finding the Fourth Proportional to 82,086,637.62, 113,252,054.13 and 47,278,631.22

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Solution

The fourth proportional to 82,086,637.62, 113,252,054.13 and 47,278,631.22 is: 65,228,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,086,637.62 : 113,252,054.13 = 47,278,631.22 : x
  2. Step 2: Convert to fraction form
    82,086,637.62/113,252,054.13 = 47,278,631.22/x
  3. Step 3: Cross multiply
    82,086,637.62x = 113,252,054.13 × 47,278,631.22
  4. Step 4: Simplify right side
    82,086,637.62x = 5,354,402,102,119,748
  5. Step 5: Solve for x
    x = 5,354,402,102,119,748/82,086,637.62
  6. Step 6: Final answer
    x = 65,228,668.85

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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.