Home / 129,345,111.60-193,734,232.20-114,984,394.80

Finding the Fourth Proportional to 129,345,111.60, 193,734,232.20 and 114,984,394.80

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Solution

The fourth proportional to 129,345,111.60, 193,734,232.20 and 114,984,394.80 is: 172,224,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,345,111.60 : 193,734,232.20 = 114,984,394.80 : x
  2. Step 2: Convert to fraction form
    129,345,111.60/193,734,232.20 = 114,984,394.80/x
  3. Step 3: Cross multiply
    129,345,111.60x = 193,734,232.20 × 114,984,394.80
  4. Step 4: Simplify right side
    129,345,111.60x = 22,276,413,441,559,672
  5. Step 5: Solve for x
    x = 22,276,413,441,559,672/129,345,111.60
  6. Step 6: Final answer
    x = 172,224,625.78

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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.