Home / 77,346,765,754.62-116,020,121,324.71-20,685,156,116.01

Finding the Fourth Proportional to 77,346,765,754.62, 116,020,121,324.71 and 20,685,156,116.01

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Solution

The fourth proportional to 77,346,765,754.62, 116,020,121,324.71 and 20,685,156,116.01 is: 31,027,726,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346,765,754.62 : 116,020,121,324.71 = 20,685,156,116.01 : x
  2. Step 2: Convert to fraction form
    77,346,765,754.62/116,020,121,324.71 = 20,685,156,116.01/x
  3. Step 3: Cross multiply
    77,346,765,754.62x = 116,020,121,324.71 × 20,685,156,116.01
  4. Step 4: Simplify right side
    77,346,765,754.62x = 2,399,894,322,200,046,993,408
  5. Step 5: Solve for x
    x = 2,399,894,322,200,046,993,408/77,346,765,754.62
  6. Step 6: Final answer
    x = 31,027,726,871.14

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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.