Home / 261,673,276.40-361,111,509.60-144,202,821.44

Finding the Fourth Proportional to 261,673,276.40, 361,111,509.60 and 144,202,821.44

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Solution

The fourth proportional to 261,673,276.40, 361,111,509.60 and 144,202,821.44 is: 199,001,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,673,276.40 : 361,111,509.60 = 144,202,821.44 : x
  2. Step 2: Convert to fraction form
    261,673,276.40/361,111,509.60 = 144,202,821.44/x
  3. Step 3: Cross multiply
    261,673,276.40x = 361,111,509.60 × 144,202,821.44
  4. Step 4: Simplify right side
    261,673,276.40x = 52,073,298,538,777,648
  5. Step 5: Solve for x
    x = 52,073,298,538,777,648/261,673,276.40
  6. Step 6: Final answer
    x = 199,001,209.66

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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.