Home / 131,163,009.80-196,744,514.70-92,048,952.20

Finding the Fourth Proportional to 131,163,009.80, 196,744,514.70 and 92,048,952.20

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Solution

The fourth proportional to 131,163,009.80, 196,744,514.70 and 92,048,952.20 is: 138,073,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,163,009.80 : 196,744,514.70 = 92,048,952.20 : x
  2. Step 2: Convert to fraction form
    131,163,009.80/196,744,514.70 = 92,048,952.20/x
  3. Step 3: Cross multiply
    131,163,009.80x = 196,744,514.70 × 92,048,952.20
  4. Step 4: Simplify right side
    131,163,009.80x = 18,110,126,429,232,496
  5. Step 5: Solve for x
    x = 18,110,126,429,232,496/131,163,009.80
  6. Step 6: Final answer
    x = 138,073,428.30

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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.