Home / 66,644,783.89-99,971,562.21-17,461,841.50

Finding the Fourth Proportional to 66,644,783.89, 99,971,562.21 and 17,461,841.50

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Solution

The fourth proportional to 66,644,783.89, 99,971,562.21 and 17,461,841.50 is: 26,193,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644,783.89 : 99,971,562.21 = 17,461,841.50 : x
  2. Step 2: Convert to fraction form
    66,644,783.89/99,971,562.21 = 17,461,841.50/x
  3. Step 3: Cross multiply
    66,644,783.89x = 99,971,562.21 × 17,461,841.50
  4. Step 4: Simplify right side
    66,644,783.89x = 1,745,687,574,008,856
  5. Step 5: Solve for x
    x = 1,745,687,574,008,856/66,644,783.89
  6. Step 6: Final answer
    x = 26,193,911.54

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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.