Home / 331,128,741.70-496,693,112.55-112,706,490.70

Finding the Fourth Proportional to 331,128,741.70, 496,693,112.55 and 112,706,490.70

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Solution

The fourth proportional to 331,128,741.70, 496,693,112.55 and 112,706,490.70 is: 169,059,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,741.70 : 496,693,112.55 = 112,706,490.70 : x
  2. Step 2: Convert to fraction form
    331,128,741.70/496,693,112.55 = 112,706,490.70/x
  3. Step 3: Cross multiply
    331,128,741.70x = 496,693,112.55 × 112,706,490.70
  4. Step 4: Simplify right side
    331,128,741.70x = 55,980,537,670,370,632
  5. Step 5: Solve for x
    x = 55,980,537,670,370,632/331,128,741.70
  6. Step 6: Final answer
    x = 169,059,736.05

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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.