Home / 54,404,994.40-81,607,491.60-51,287,207.20

Finding the Fourth Proportional to 54,404,994.40, 81,607,491.60 and 51,287,207.20

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Solution

The fourth proportional to 54,404,994.40, 81,607,491.60 and 51,287,207.20 is: 76,930,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,994.40 : 81,607,491.60 = 51,287,207.20 : x
  2. Step 2: Convert to fraction form
    54,404,994.40/81,607,491.60 = 51,287,207.20/x
  3. Step 3: Cross multiply
    54,404,994.40x = 81,607,491.60 × 51,287,207.20
  4. Step 4: Simplify right side
    54,404,994.40x = 4,185,420,330,761,459.50
  5. Step 5: Solve for x
    x = 4,185,420,330,761,459.50/54,404,994.40
  6. Step 6: Final answer
    x = 76,930,810.80

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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.