Home / 313,539,004.88-432,711,396.97-172,435,090.34

Finding the Fourth Proportional to 313,539,004.88, 432,711,396.97 and 172,435,090.34

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Solution

The fourth proportional to 313,539,004.88, 432,711,396.97 and 172,435,090.34 is: 237,975,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,539,004.88 : 432,711,396.97 = 172,435,090.34 : x
  2. Step 2: Convert to fraction form
    313,539,004.88/432,711,396.97 = 172,435,090.34/x
  3. Step 3: Cross multiply
    313,539,004.88x = 432,711,396.97 × 172,435,090.34
  4. Step 4: Simplify right side
    313,539,004.88x = 74,614,628,827,669,552
  5. Step 5: Solve for x
    x = 74,614,628,827,669,552/313,539,004.88
  6. Step 6: Final answer
    x = 237,975,587.30

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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.