Home / 331,128,743.70-496,693,115.55-112,706,492.70

Finding the Fourth Proportional to 331,128,743.70, 496,693,115.55 and 112,706,492.70

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Solution

The fourth proportional to 331,128,743.70, 496,693,115.55 and 112,706,492.70 is: 169,059,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,743.70 : 496,693,115.55 = 112,706,492.70 : x
  2. Step 2: Convert to fraction form
    331,128,743.70/496,693,115.55 = 112,706,492.70/x
  3. Step 3: Cross multiply
    331,128,743.70x = 496,693,115.55 × 112,706,492.70
  4. Step 4: Simplify right side
    331,128,743.70x = 55,980,539,001,876,336
  5. Step 5: Solve for x
    x = 55,980,539,001,876,336/331,128,743.70
  6. Step 6: Final answer
    x = 169,059,739.05

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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.