Home / 111,281,605.80-166,844,648.70-65,819,999.40

Finding the Fourth Proportional to 111,281,605.80, 166,844,648.70 and 65,819,999.40

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Solution

The fourth proportional to 111,281,605.80, 166,844,648.70 and 65,819,999.40 is: 98,684,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,281,605.80 : 166,844,648.70 = 65,819,999.40 : x
  2. Step 2: Convert to fraction form
    111,281,605.80/166,844,648.70 = 65,819,999.40/x
  3. Step 3: Cross multiply
    111,281,605.80x = 166,844,648.70 × 65,819,999.40
  4. Step 4: Simplify right side
    111,281,605.80x = 10,981,714,677,327,210
  5. Step 5: Solve for x
    x = 10,981,714,677,327,210/111,281,605.80
  6. Step 6: Final answer
    x = 98,684,006.21

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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.