Home / 48,266,537.60-72,336,820.80-19,489,116.80

Finding the Fourth Proportional to 48,266,537.60, 72,336,820.80 and 19,489,116.80

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Solution

The fourth proportional to 48,266,537.60, 72,336,820.80 and 19,489,116.80 is: 29,208,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,266,537.60 : 72,336,820.80 = 19,489,116.80 : x
  2. Step 2: Convert to fraction form
    48,266,537.60/72,336,820.80 = 19,489,116.80/x
  3. Step 3: Cross multiply
    48,266,537.60x = 72,336,820.80 × 19,489,116.80
  4. Step 4: Simplify right side
    48,266,537.60x = 1,409,780,749,511,869.50
  5. Step 5: Solve for x
    x = 1,409,780,749,511,869.50/48,266,537.60
  6. Step 6: Final answer
    x = 29,208,242.80

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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.