Home / 71,606,745,678.48-107,391,797,753.45-21,230,399,706.63

Finding the Fourth Proportional to 71,606,745,678.48, 107,391,797,753.45 and 21,230,399,706.63

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Solution

The fourth proportional to 71,606,745,678.48, 107,391,797,753.45 and 21,230,399,706.63 is: 31,840,167,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606,745,678.48 : 107,391,797,753.45 = 21,230,399,706.63 : x
  2. Step 2: Convert to fraction form
    71,606,745,678.48/107,391,797,753.45 = 21,230,399,706.63/x
  3. Step 3: Cross multiply
    71,606,745,678.48x = 107,391,797,753.45 × 21,230,399,706.63
  4. Step 4: Simplify right side
    71,606,745,678.48x = 2,279,970,791,519,313,199,104
  5. Step 5: Solve for x
    x = 2,279,970,791,519,313,199,104/71,606,745,678.48
  6. Step 6: Final answer
    x = 31,840,167,709.29

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1.5x scale

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.