Home / 235,374,401.76-324,819,649.14-129,539,998.58

Finding the Fourth Proportional to 235,374,401.76, 324,819,649.14 and 129,539,998.58

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Solution

The fourth proportional to 235,374,401.76, 324,819,649.14 and 129,539,998.58 is: 178,766,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,374,401.76 : 324,819,649.14 = 129,539,998.58 : x
  2. Step 2: Convert to fraction form
    235,374,401.76/324,819,649.14 = 129,539,998.58/x
  3. Step 3: Cross multiply
    235,374,401.76x = 324,819,649.14 × 129,539,998.58
  4. Step 4: Simplify right side
    235,374,401.76x = 42,077,136,888,351,696
  5. Step 5: Solve for x
    x = 42,077,136,888,351,696/235,374,401.76
  6. Step 6: Final answer
    x = 178,766,835.19

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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.