Home / 261,773,517.76-361,244,511.04-142,693,500.48

Finding the Fourth Proportional to 261,773,517.76, 361,244,511.04 and 142,693,500.48

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Solution

The fourth proportional to 261,773,517.76, 361,244,511.04 and 142,693,500.48 is: 196,915,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,773,517.76 : 361,244,511.04 = 142,693,500.48 : x
  2. Step 2: Convert to fraction form
    261,773,517.76/361,244,511.04 = 142,693,500.48/x
  3. Step 3: Cross multiply
    261,773,517.76x = 361,244,511.04 × 142,693,500.48
  4. Step 4: Simplify right side
    261,773,517.76x = 51,547,243,809,483,608
  5. Step 5: Solve for x
    x = 51,547,243,809,483,608/261,773,517.76
  6. Step 6: Final answer
    x = 196,915,426.17

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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.