Home / 66,270,065.80-99,405,098.70-18,401,009.80

Finding the Fourth Proportional to 66,270,065.80, 99,405,098.70 and 18,401,009.80

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Solution

The fourth proportional to 66,270,065.80, 99,405,098.70 and 18,401,009.80 is: 27,601,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270,065.80 : 99,405,098.70 = 18,401,009.80 : x
  2. Step 2: Convert to fraction form
    66,270,065.80/99,405,098.70 = 18,401,009.80/x
  3. Step 3: Cross multiply
    66,270,065.80x = 99,405,098.70 × 18,401,009.80
  4. Step 4: Simplify right side
    66,270,065.80x = 1,829,154,195,348,667.50
  5. Step 5: Solve for x
    x = 1,829,154,195,348,667.50/66,270,065.80
  6. Step 6: Final answer
    x = 27,601,514.70

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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.