Home / 320,759,693.72-442,648,377.33-174,081,977.72

Finding the Fourth Proportional to 320,759,693.72, 442,648,377.33 and 174,081,977.72

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Solution

The fourth proportional to 320,759,693.72, 442,648,377.33 and 174,081,977.72 is: 240,233,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,759,693.72 : 442,648,377.33 = 174,081,977.72 : x
  2. Step 2: Convert to fraction form
    320,759,693.72/442,648,377.33 = 174,081,977.72/x
  3. Step 3: Cross multiply
    320,759,693.72x = 442,648,377.33 × 174,081,977.72
  4. Step 4: Simplify right side
    320,759,693.72x = 77,057,104,959,927,440
  5. Step 5: Solve for x
    x = 77,057,104,959,927,440/320,759,693.72
  6. Step 6: Final answer
    x = 240,233,129.25

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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.