Home / 252,695,331.40-379,168,968.30-143,604,272.20

Finding the Fourth Proportional to 252,695,331.40, 379,168,968.30 and 143,604,272.20

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Solution

The fourth proportional to 252,695,331.40, 379,168,968.30 and 143,604,272.20 is: 215,477,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,695,331.40 : 379,168,968.30 = 143,604,272.20 : x
  2. Step 2: Convert to fraction form
    252,695,331.40/379,168,968.30 = 143,604,272.20/x
  3. Step 3: Cross multiply
    252,695,331.40x = 379,168,968.30 × 143,604,272.20
  4. Step 4: Simplify right side
    252,695,331.40x = 54,450,283,733,546,368
  5. Step 5: Solve for x
    x = 54,450,283,733,546,368/252,695,331.40
  6. Step 6: Final answer
    x = 215,477,996.49

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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.