Home / 112,181,460.60-168,331,436.74-79,602,546.51

Finding the Fourth Proportional to 112,181,460.60, 168,331,436.74 and 79,602,546.51

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Solution

The fourth proportional to 112,181,460.60, 168,331,436.74 and 79,602,546.51 is: 119,445,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181,460.60 : 168,331,436.74 = 79,602,546.51 : x
  2. Step 2: Convert to fraction form
    112,181,460.60/168,331,436.74 = 79,602,546.51/x
  3. Step 3: Cross multiply
    112,181,460.60x = 168,331,436.74 × 79,602,546.51
  4. Step 4: Simplify right side
    112,181,460.60x = 13,399,611,022,315,784
  5. Step 5: Solve for x
    x = 13,399,611,022,315,784/112,181,460.60
  6. Step 6: Final answer
    x = 119,445,859.86

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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.