Home / 165,814,703.20-248,722,054.80-52,332,565.60

Finding the Fourth Proportional to 165,814,703.20, 248,722,054.80 and 52,332,565.60

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Solution

The fourth proportional to 165,814,703.20, 248,722,054.80 and 52,332,565.60 is: 78,498,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,814,703.20 : 248,722,054.80 = 52,332,565.60 : x
  2. Step 2: Convert to fraction form
    165,814,703.20/248,722,054.80 = 52,332,565.60/x
  3. Step 3: Cross multiply
    165,814,703.20x = 248,722,054.80 × 52,332,565.60
  4. Step 4: Simplify right side
    165,814,703.20x = 13,016,263,248,987,796
  5. Step 5: Solve for x
    x = 13,016,263,248,987,796/165,814,703.20
  6. Step 6: Final answer
    x = 78,498,848.40

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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.