Home / 68,713,264,577.77-103,084,807,399.13-20,905,031,513.80

Finding the Fourth Proportional to 68,713,264,577.77, 103,084,807,399.13 and 20,905,031,513.80

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Solution

The fourth proportional to 68,713,264,577.77, 103,084,807,399.13 and 20,905,031,513.80 is: 31,362,083,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,713,264,577.77 : 103,084,807,399.13 = 20,905,031,513.80 : x
  2. Step 2: Convert to fraction form
    68,713,264,577.77/103,084,807,399.13 = 20,905,031,513.80/x
  3. Step 3: Cross multiply
    68,713,264,577.77x = 103,084,807,399.13 × 20,905,031,513.80
  4. Step 4: Simplify right side
    68,713,264,577.77x = 2,154,991,147,272,403,943,424
  5. Step 5: Solve for x
    x = 2,154,991,147,272,403,943,424/68,713,264,577.77
  6. Step 6: Final answer
    x = 31,362,083,587.71

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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.