Home / 102,123,245.80-140,929,858.02-55,713,528.04

Finding the Fourth Proportional to 102,123,245.80, 140,929,858.02 and 55,713,528.04

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Solution

The fourth proportional to 102,123,245.80, 140,929,858.02 and 55,713,528.04 is: 76,884,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,123,245.80 : 140,929,858.02 = 55,713,528.04 : x
  2. Step 2: Convert to fraction form
    102,123,245.80/140,929,858.02 = 55,713,528.04/x
  3. Step 3: Cross multiply
    102,123,245.80x = 140,929,858.02 × 55,713,528.04
  4. Step 4: Simplify right side
    102,123,245.80x = 7,851,699,596,470,489
  5. Step 5: Solve for x
    x = 7,851,699,596,470,489/102,123,245.80
  6. Step 6: Final answer
    x = 76,884,548.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.