Home / 146,565,010.80-219,847,516.20-85,091,065.20

Finding the Fourth Proportional to 146,565,010.80, 219,847,516.20 and 85,091,065.20

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Solution

The fourth proportional to 146,565,010.80, 219,847,516.20 and 85,091,065.20 is: 127,636,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,565,010.80 : 219,847,516.20 = 85,091,065.20 : x
  2. Step 2: Convert to fraction form
    146,565,010.80/219,847,516.20 = 85,091,065.20/x
  3. Step 3: Cross multiply
    146,565,010.80x = 219,847,516.20 × 85,091,065.20
  4. Step 4: Simplify right side
    146,565,010.80x = 18,707,059,335,032,256
  5. Step 5: Solve for x
    x = 18,707,059,335,032,256/146,565,010.80
  6. Step 6: Final answer
    x = 127,636,597.80

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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.