Home / 163,530,455.64-245,169,956.70-84,662,416.28

Finding the Fourth Proportional to 163,530,455.64, 245,169,956.70 and 84,662,416.28

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Solution

The fourth proportional to 163,530,455.64, 245,169,956.70 and 84,662,416.28 is: 126,928,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,455.64 : 245,169,956.70 = 84,662,416.28 : x
  2. Step 2: Convert to fraction form
    163,530,455.64/245,169,956.70 = 84,662,416.28/x
  3. Step 3: Cross multiply
    163,530,455.64x = 245,169,956.70 × 84,662,416.28
  4. Step 4: Simplify right side
    163,530,455.64x = 20,756,680,933,484,976
  5. Step 5: Solve for x
    x = 20,756,680,933,484,976/163,530,455.64
  6. Step 6: Final answer
    x = 126,928,533.60

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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.