Home / 151,714,901.20-209,366,563.92-82,100,282.04

Finding the Fourth Proportional to 151,714,901.20, 209,366,563.92 and 82,100,282.04

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Solution

The fourth proportional to 151,714,901.20, 209,366,563.92 and 82,100,282.04 is: 113,298,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,901.20 : 209,366,563.92 = 82,100,282.04 : x
  2. Step 2: Convert to fraction form
    151,714,901.20/209,366,563.92 = 82,100,282.04/x
  3. Step 3: Cross multiply
    151,714,901.20x = 209,366,563.92 × 82,100,282.04
  4. Step 4: Simplify right side
    151,714,901.20x = 17,189,053,947,577,688
  5. Step 5: Solve for x
    x = 17,189,053,947,577,688/151,714,901.20
  6. Step 6: Final answer
    x = 113,298,389.36

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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.