Home / 187,596,231.40-281,394,347.10-66,439,930.60

Finding the Fourth Proportional to 187,596,231.40, 281,394,347.10 and 66,439,930.60

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Solution

The fourth proportional to 187,596,231.40, 281,394,347.10 and 66,439,930.60 is: 99,659,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,596,231.40 : 281,394,347.10 = 66,439,930.60 : x
  2. Step 2: Convert to fraction form
    187,596,231.40/281,394,347.10 = 66,439,930.60/x
  3. Step 3: Cross multiply
    187,596,231.40x = 281,394,347.10 × 66,439,930.60
  4. Step 4: Simplify right side
    187,596,231.40x = 18,695,820,892,556,312
  5. Step 5: Solve for x
    x = 18,695,820,892,556,312/187,596,231.40
  6. Step 6: Final answer
    x = 99,659,895.90

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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.