Home / 129,055,262.40-193,582,893.60-57,251,678.40

Finding the Fourth Proportional to 129,055,262.40, 193,582,893.60 and 57,251,678.40

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Solution

The fourth proportional to 129,055,262.40, 193,582,893.60 and 57,251,678.40 is: 85,877,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,055,262.40 : 193,582,893.60 = 57,251,678.40 : x
  2. Step 2: Convert to fraction form
    129,055,262.40/193,582,893.60 = 57,251,678.40/x
  3. Step 3: Cross multiply
    129,055,262.40x = 193,582,893.60 × 57,251,678.40
  4. Step 4: Simplify right side
    129,055,262.40x = 11,082,945,568,128,618
  5. Step 5: Solve for x
    x = 11,082,945,568,128,618/129,055,262.40
  6. Step 6: Final answer
    x = 85,877,517.60

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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.