Home / 85,235,970.56-117,657,625.94-55,869,194.48

Finding the Fourth Proportional to 85,235,970.56, 117,657,625.94 and 55,869,194.48

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Solution

The fourth proportional to 85,235,970.56, 117,657,625.94 and 55,869,194.48 is: 77,120,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235,970.56 : 117,657,625.94 = 55,869,194.48 : x
  2. Step 2: Convert to fraction form
    85,235,970.56/117,657,625.94 = 55,869,194.48/x
  3. Step 3: Cross multiply
    85,235,970.56x = 117,657,625.94 × 55,869,194.48
  4. Step 4: Simplify right side
    85,235,970.56x = 6,573,436,785,696,952
  5. Step 5: Solve for x
    x = 6,573,436,785,696,952/85,235,970.56
  6. Step 6: Final answer
    x = 77,120,454.46

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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.