Home / 214,627,525.60-321,983,278.80-91,805,605.60

Finding the Fourth Proportional to 214,627,525.60, 321,983,278.80 and 91,805,605.60

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Solution

The fourth proportional to 214,627,525.60, 321,983,278.80 and 91,805,605.60 is: 137,726,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,627,525.60 : 321,983,278.80 = 91,805,605.60 : x
  2. Step 2: Convert to fraction form
    214,627,525.60/321,983,278.80 = 91,805,605.60/x
  3. Step 3: Cross multiply
    214,627,525.60x = 321,983,278.80 × 91,805,605.60
  4. Step 4: Simplify right side
    214,627,525.60x = 29,559,869,903,307,640
  5. Step 5: Solve for x
    x = 29,559,869,903,307,640/214,627,525.60
  6. Step 6: Final answer
    x = 137,726,369.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.