Home / 102,890,571.48-141,988,625.46-55,847,648.34

Finding the Fourth Proportional to 102,890,571.48, 141,988,625.46 and 55,847,648.34

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Solution

The fourth proportional to 102,890,571.48, 141,988,625.46 and 55,847,648.34 is: 77,069,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,890,571.48 : 141,988,625.46 = 55,847,648.34 : x
  2. Step 2: Convert to fraction form
    102,890,571.48/141,988,625.46 = 55,847,648.34/x
  3. Step 3: Cross multiply
    102,890,571.48x = 141,988,625.46 × 55,847,648.34
  4. Step 4: Simplify right side
    102,890,571.48x = 7,929,730,822,970,052
  5. Step 5: Solve for x
    x = 7,929,730,822,970,052/102,890,571.48
  6. Step 6: Final answer
    x = 77,069,557.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.