Home / 21,021,405,127.56-31,532,189,497.80-5,085,716,027.29

Finding the Fourth Proportional to 21,021,405,127.56, 31,532,189,497.80 and 5,085,716,027.29

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Solution

The fourth proportional to 21,021,405,127.56, 31,532,189,497.80 and 5,085,716,027.29 is: 7,628,593,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,405,127.56 : 31,532,189,497.80 = 5,085,716,027.29 : x
  2. Step 2: Convert to fraction form
    21,021,405,127.56/31,532,189,497.80 = 5,085,716,027.29/x
  3. Step 3: Cross multiply
    21,021,405,127.56x = 31,532,189,497.80 × 5,085,716,027.29
  4. Step 4: Simplify right side
    21,021,405,127.56x = 160,363,761,504,402,604,032
  5. Step 5: Solve for x
    x = 160,363,761,504,402,604,032/21,021,405,127.56
  6. Step 6: Final answer
    x = 7,628,593,832.40

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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.