Home / 261,649,406.67-361,059,909.36-144,168,162.54

Finding the Fourth Proportional to 261,649,406.67, 361,059,909.36 and 144,168,162.54

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Solution

The fourth proportional to 261,649,406.67, 361,059,909.36 and 144,168,162.54 is: 198,943,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,649,406.67 : 361,059,909.36 = 144,168,162.54 : x
  2. Step 2: Convert to fraction form
    261,649,406.67/361,059,909.36 = 144,168,162.54/x
  3. Step 3: Cross multiply
    261,649,406.67x = 361,059,909.36 × 144,168,162.54
  4. Step 4: Simplify right side
    261,649,406.67x = 52,053,343,699,290,144
  5. Step 5: Solve for x
    x = 52,053,343,699,290,144/261,649,406.67
  6. Step 6: Final answer
    x = 198,943,098.56

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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.