Home / 320,616,328.48-442,451,390.80-173,938,612.48

Finding the Fourth Proportional to 320,616,328.48, 442,451,390.80 and 173,938,612.48

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Solution

The fourth proportional to 320,616,328.48, 442,451,390.80 and 173,938,612.48 is: 240,035,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,328.48 : 442,451,390.80 = 173,938,612.48 : x
  2. Step 2: Convert to fraction form
    320,616,328.48/442,451,390.80 = 173,938,612.48/x
  3. Step 3: Cross multiply
    320,616,328.48x = 442,451,390.80 × 173,938,612.48
  4. Step 4: Simplify right side
    320,616,328.48x = 76,959,381,005,598,240
  5. Step 5: Solve for x
    x = 76,959,381,005,598,240/320,616,328.48
  6. Step 6: Final answer
    x = 240,035,750.43

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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.