Home / 165,884,497.20-248,826,745.80-84,255,159.60

Finding the Fourth Proportional to 165,884,497.20, 248,826,745.80 and 84,255,159.60

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Solution

The fourth proportional to 165,884,497.20, 248,826,745.80 and 84,255,159.60 is: 126,382,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,884,497.20 : 248,826,745.80 = 84,255,159.60 : x
  2. Step 2: Convert to fraction form
    165,884,497.20/248,826,745.80 = 84,255,159.60/x
  3. Step 3: Cross multiply
    165,884,497.20x = 248,826,745.80 × 84,255,159.60
  4. Step 4: Simplify right side
    165,884,497.20x = 20,964,937,180,127,628
  5. Step 5: Solve for x
    x = 20,964,937,180,127,628/165,884,497.20
  6. Step 6: Final answer
    x = 126,382,739.40

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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.