Home / 305,085,909.12-457,564,301.44-100,565,367.04

Finding the Fourth Proportional to 305,085,909.12, 457,564,301.44 and 100,565,367.04

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Solution

The fourth proportional to 305,085,909.12, 457,564,301.44 and 100,565,367.04 is: 150,826,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,085,909.12 : 457,564,301.44 = 100,565,367.04 : x
  2. Step 2: Convert to fraction form
    305,085,909.12/457,564,301.44 = 100,565,367.04/x
  3. Step 3: Cross multiply
    305,085,909.12x = 457,564,301.44 × 100,565,367.04
  4. Step 4: Simplify right side
    305,085,909.12x = 46,015,121,918,714,800
  5. Step 5: Solve for x
    x = 46,015,121,918,714,800/305,085,909.12
  6. Step 6: Final answer
    x = 150,826,768.93

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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.