Home / 166,218,360.21-229,381,386.48-90,865,015.58

Finding the Fourth Proportional to 166,218,360.21, 229,381,386.48 and 90,865,015.58

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Solution

The fourth proportional to 166,218,360.21, 229,381,386.48 and 90,865,015.58 is: 125,393,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,218,360.21 : 229,381,386.48 = 90,865,015.58 : x
  2. Step 2: Convert to fraction form
    166,218,360.21/229,381,386.48 = 90,865,015.58/x
  3. Step 3: Cross multiply
    166,218,360.21x = 229,381,386.48 × 90,865,015.58
  4. Step 4: Simplify right side
    166,218,360.21x = 20,842,743,255,120,296
  5. Step 5: Solve for x
    x = 20,842,743,255,120,296/166,218,360.21
  6. Step 6: Final answer
    x = 125,393,748.49

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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.