Home / 111,293,998.80-166,940,998.20-98,964,567.60

Finding the Fourth Proportional to 111,293,998.80, 166,940,998.20 and 98,964,567.60

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Solution

The fourth proportional to 111,293,998.80, 166,940,998.20 and 98,964,567.60 is: 148,446,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,293,998.80 : 166,940,998.20 = 98,964,567.60 : x
  2. Step 2: Convert to fraction form
    111,293,998.80/166,940,998.20 = 98,964,567.60/x
  3. Step 3: Cross multiply
    111,293,998.80x = 166,940,998.20 × 98,964,567.60
  4. Step 4: Simplify right side
    111,293,998.80x = 16,521,243,701,575,376
  5. Step 5: Solve for x
    x = 16,521,243,701,575,376/111,293,998.80
  6. Step 6: Final answer
    x = 148,446,851.40

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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.