Home / 147,705,876-221,360,769.48-114,955,990.92

Finding the Fourth Proportional to 147,705,876, 221,360,769.48 and 114,955,990.92

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Solution

The fourth proportional to 147,705,876, 221,360,769.48 and 114,955,990.92 is: 172,279,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,705,876 : 221,360,769.48 = 114,955,990.92 : x
  2. Step 2: Convert to fraction form
    147,705,876/221,360,769.48 = 114,955,990.92/x
  3. Step 3: Cross multiply
    147,705,876x = 221,360,769.48 × 114,955,990.92
  4. Step 4: Simplify right side
    147,705,876x = 25,446,746,606,387,092
  5. Step 5: Solve for x
    x = 25,446,746,606,387,092/147,705,876
  6. Step 6: Final answer
    x = 172,279,853.01

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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.