Home / 230,531,805.65-318,132,940.09-124,685,338.34

Finding the Fourth Proportional to 230,531,805.65, 318,132,940.09 and 124,685,338.34

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Solution

The fourth proportional to 230,531,805.65, 318,132,940.09 and 124,685,338.34 is: 172,065,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,531,805.65 : 318,132,940.09 = 124,685,338.34 : x
  2. Step 2: Convert to fraction form
    230,531,805.65/318,132,940.09 = 124,685,338.34/x
  3. Step 3: Cross multiply
    230,531,805.65x = 318,132,940.09 × 124,685,338.34
  4. Step 4: Simplify right side
    230,531,805.65x = 39,666,513,272,220,600
  5. Step 5: Solve for x
    x = 39,666,513,272,220,600/230,531,805.65
  6. Step 6: Final answer
    x = 172,065,252.17

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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.