Home / 55,395,857.80-83,093,786.70-31,507,985.80

Finding the Fourth Proportional to 55,395,857.80, 83,093,786.70 and 31,507,985.80

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Solution

The fourth proportional to 55,395,857.80, 83,093,786.70 and 31,507,985.80 is: 47,261,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395,857.80 : 83,093,786.70 = 31,507,985.80 : x
  2. Step 2: Convert to fraction form
    55,395,857.80/83,093,786.70 = 31,507,985.80/x
  3. Step 3: Cross multiply
    55,395,857.80x = 83,093,786.70 × 31,507,985.80
  4. Step 4: Simplify right side
    55,395,857.80x = 2,618,117,851,411,829
  5. Step 5: Solve for x
    x = 2,618,117,851,411,829/55,395,857.80
  6. Step 6: Final answer
    x = 47,261,978.70

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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.