Home / 118,295,587.54-163,015,367.97-90,449,848.18

Finding the Fourth Proportional to 118,295,587.54, 163,015,367.97 and 90,449,848.18

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Solution

The fourth proportional to 118,295,587.54, 163,015,367.97 and 90,449,848.18 is: 124,642,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,295,587.54 : 163,015,367.97 = 90,449,848.18 : x
  2. Step 2: Convert to fraction form
    118,295,587.54/163,015,367.97 = 90,449,848.18/x
  3. Step 3: Cross multiply
    118,295,587.54x = 163,015,367.97 × 90,449,848.18
  4. Step 4: Simplify right side
    118,295,587.54x = 14,744,715,283,893,336
  5. Step 5: Solve for x
    x = 14,744,715,283,893,336/118,295,587.54
  6. Step 6: Final answer
    x = 124,642,986.19

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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.