Home / 146,909,009.60-220,363,514.40-78,884,561.60

Finding the Fourth Proportional to 146,909,009.60, 220,363,514.40 and 78,884,561.60

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Solution

The fourth proportional to 146,909,009.60, 220,363,514.40 and 78,884,561.60 is: 118,326,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909,009.60 : 220,363,514.40 = 78,884,561.60 : x
  2. Step 2: Convert to fraction form
    146,909,009.60/220,363,514.40 = 78,884,561.60/x
  3. Step 3: Cross multiply
    146,909,009.60x = 220,363,514.40 × 78,884,561.60
  4. Step 4: Simplify right side
    146,909,009.60x = 17,383,279,226,079,286
  5. Step 5: Solve for x
    x = 17,383,279,226,079,286/146,909,009.60
  6. Step 6: Final answer
    x = 118,326,842.40

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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.