Home / 71,433,686,719.16-107,157,204,976.98-21,069,169,590.20

Finding the Fourth Proportional to 71,433,686,719.16, 107,157,204,976.98 and 21,069,169,590.20

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Solution

The fourth proportional to 71,433,686,719.16, 107,157,204,976.98 and 21,069,169,590.20 is: 31,605,723,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,433,686,719.16 : 107,157,204,976.98 = 21,069,169,590.20 : x
  2. Step 2: Convert to fraction form
    71,433,686,719.16/107,157,204,976.98 = 21,069,169,590.20/x
  3. Step 3: Cross multiply
    71,433,686,719.16x = 107,157,204,976.98 × 21,069,169,590.20
  4. Step 4: Simplify right side
    71,433,686,719.16x = 2,257,713,324,471,814,979,584
  5. Step 5: Solve for x
    x = 2,257,713,324,471,814,979,584/71,433,686,719.16
  6. Step 6: Final answer
    x = 31,605,723,128.19

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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.