Home / 66,014,768.60-99,021,660.82-19,956,548.60

Finding the Fourth Proportional to 66,014,768.60, 99,021,660.82 and 19,956,548.60

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Solution

The fourth proportional to 66,014,768.60, 99,021,660.82 and 19,956,548.60 is: 29,934,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,768.60 : 99,021,660.82 = 19,956,548.60 : x
  2. Step 2: Convert to fraction form
    66,014,768.60/99,021,660.82 = 19,956,548.60/x
  3. Step 3: Cross multiply
    66,014,768.60x = 99,021,660.82 × 19,956,548.60
  4. Step 4: Simplify right side
    66,014,768.60x = 1,976,130,586,607,045.75
  5. Step 5: Solve for x
    x = 1,976,130,586,607,045.75/66,014,768.60
  6. Step 6: Final answer
    x = 29,934,674.14

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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.