Home / 230,531,987.40-318,133,191.44-124,685,520.90

Finding the Fourth Proportional to 230,531,987.40, 318,133,191.44 and 124,685,520.90

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Solution

The fourth proportional to 230,531,987.40, 318,133,191.44 and 124,685,520.90 is: 172,065,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,531,987.40 : 318,133,191.44 = 124,685,520.90 : x
  2. Step 2: Convert to fraction form
    230,531,987.40/318,133,191.44 = 124,685,520.90/x
  3. Step 3: Cross multiply
    230,531,987.40x = 318,133,191.44 × 124,685,520.90
  4. Step 4: Simplify right side
    230,531,987.40x = 39,666,602,690,275,824
  5. Step 5: Solve for x
    x = 39,666,602,690,275,824/230,531,987.40
  6. Step 6: Final answer
    x = 172,065,504.39

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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.