Home / 151,714,893.31-209,366,553-82,100,274.18

Finding the Fourth Proportional to 151,714,893.31, 209,366,553 and 82,100,274.18

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Solution

The fourth proportional to 151,714,893.31, 209,366,553 and 82,100,274.18 is: 113,298,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,893.31 : 209,366,553 = 82,100,274.18 : x
  2. Step 2: Convert to fraction form
    151,714,893.31/209,366,553 = 82,100,274.18/x
  3. Step 3: Cross multiply
    151,714,893.31x = 209,366,553 × 82,100,274.18
  4. Step 4: Simplify right side
    151,714,893.31x = 17,189,051,405,421,504
  5. Step 5: Solve for x
    x = 17,189,051,405,421,504/151,714,893.31
  6. Step 6: Final answer
    x = 113,298,378.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.