Home / 163,530,456.64-245,169,958.20-84,662,417.28

Finding the Fourth Proportional to 163,530,456.64, 245,169,958.20 and 84,662,417.28

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Solution

The fourth proportional to 163,530,456.64, 245,169,958.20 and 84,662,417.28 is: 126,928,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,456.64 : 245,169,958.20 = 84,662,417.28 : x
  2. Step 2: Convert to fraction form
    163,530,456.64/245,169,958.20 = 84,662,417.28/x
  3. Step 3: Cross multiply
    163,530,456.64x = 245,169,958.20 × 84,662,417.28
  4. Step 4: Simplify right side
    163,530,456.64x = 20,756,681,305,648,556
  5. Step 5: Solve for x
    x = 20,756,681,305,648,556/163,530,456.64
  6. Step 6: Final answer
    x = 126,928,535.10

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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.