Home / 265,968,139.20-398,952,208.80-230,136,331.20

Finding the Fourth Proportional to 265,968,139.20, 398,952,208.80 and 230,136,331.20

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Solution

The fourth proportional to 265,968,139.20, 398,952,208.80 and 230,136,331.20 is: 345,204,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,968,139.20 : 398,952,208.80 = 230,136,331.20 : x
  2. Step 2: Convert to fraction form
    265,968,139.20/398,952,208.80 = 230,136,331.20/x
  3. Step 3: Cross multiply
    265,968,139.20x = 398,952,208.80 × 230,136,331.20
  4. Step 4: Simplify right side
    265,968,139.20x = 91,813,397,657,368,352
  5. Step 5: Solve for x
    x = 91,813,397,657,368,352/265,968,139.20
  6. Step 6: Final answer
    x = 345,204,496.80

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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.