Home / 250,479,828.02-345,650,451.77-138,969,482.09

Finding the Fourth Proportional to 250,479,828.02, 345,650,451.77 and 138,969,482.09

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Solution

The fourth proportional to 250,479,828.02, 345,650,451.77 and 138,969,482.09 is: 191,771,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479,828.02 : 345,650,451.77 = 138,969,482.09 : x
  2. Step 2: Convert to fraction form
    250,479,828.02/345,650,451.77 = 138,969,482.09/x
  3. Step 3: Cross multiply
    250,479,828.02x = 345,650,451.77 × 138,969,482.09
  4. Step 4: Simplify right side
    250,479,828.02x = 48,034,864,265,270,592
  5. Step 5: Solve for x
    x = 48,034,864,265,270,592/250,479,828.02
  6. Step 6: Final answer
    x = 191,771,387.92

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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.