Home / 108,873,986.40-163,310,979.60-48,289,712.40

Finding the Fourth Proportional to 108,873,986.40, 163,310,979.60 and 48,289,712.40

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Solution

The fourth proportional to 108,873,986.40, 163,310,979.60 and 48,289,712.40 is: 72,434,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,986.40 : 163,310,979.60 = 48,289,712.40 : x
  2. Step 2: Convert to fraction form
    108,873,986.40/163,310,979.60 = 48,289,712.40/x
  3. Step 3: Cross multiply
    108,873,986.40x = 163,310,979.60 × 48,289,712.40
  4. Step 4: Simplify right side
    108,873,986.40x = 7,886,240,236,646,267
  5. Step 5: Solve for x
    x = 7,886,240,236,646,267/108,873,986.40
  6. Step 6: Final answer
    x = 72,434,568.60

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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.