Home / 268,646,984.30-402,298,630.05-214,899,272.30

Finding the Fourth Proportional to 268,646,984.30, 402,298,630.05 and 214,899,272.30

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Solution

The fourth proportional to 268,646,984.30, 402,298,630.05 and 214,899,272.30 is: 321,811,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,646,984.30 : 402,298,630.05 = 214,899,272.30 : x
  2. Step 2: Convert to fraction form
    268,646,984.30/402,298,630.05 = 214,899,272.30/x
  3. Step 3: Cross multiply
    268,646,984.30x = 402,298,630.05 × 214,899,272.30
  4. Step 4: Simplify right side
    268,646,984.30x = 86,453,682,845,031,920
  5. Step 5: Solve for x
    x = 86,453,682,845,031,920/268,646,984.30
  6. Step 6: Final answer
    x = 321,811,477.13

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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.