Home / 66,014,776.35-99,021,672.45-19,956,556.35

Finding the Fourth Proportional to 66,014,776.35, 99,021,672.45 and 19,956,556.35

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Solution

The fourth proportional to 66,014,776.35, 99,021,672.45 and 19,956,556.35 is: 29,934,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,776.35 : 99,021,672.45 = 19,956,556.35 : x
  2. Step 2: Convert to fraction form
    66,014,776.35/99,021,672.45 = 19,956,556.35/x
  3. Step 3: Cross multiply
    66,014,776.35x = 99,021,672.45 × 19,956,556.35
  4. Step 4: Simplify right side
    66,014,776.35x = 1,976,131,586,119,667.75
  5. Step 5: Solve for x
    x = 1,976,131,586,119,667.75/66,014,776.35
  6. Step 6: Final answer
    x = 29,934,685.77

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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.