Home / 54,432,128.40-81,648,192.60-52,584,550.80

Finding the Fourth Proportional to 54,432,128.40, 81,648,192.60 and 52,584,550.80

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Solution

The fourth proportional to 54,432,128.40, 81,648,192.60 and 52,584,550.80 is: 78,876,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,128.40 : 81,648,192.60 = 52,584,550.80 : x
  2. Step 2: Convert to fraction form
    54,432,128.40/81,648,192.60 = 52,584,550.80/x
  3. Step 3: Cross multiply
    54,432,128.40x = 81,648,192.60 × 52,584,550.80
  4. Step 4: Simplify right side
    54,432,128.40x = 4,293,433,531,502,883.50
  5. Step 5: Solve for x
    x = 4,293,433,531,502,883.50/54,432,128.40
  6. Step 6: Final answer
    x = 78,876,826.20

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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.