Home / 155,630,786.22-214,781,604.93-86,014,672.74

Finding the Fourth Proportional to 155,630,786.22, 214,781,604.93 and 86,014,672.74

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Solution

The fourth proportional to 155,630,786.22, 214,781,604.93 and 86,014,672.74 is: 118,706,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,630,786.22 : 214,781,604.93 = 86,014,672.74 : x
  2. Step 2: Convert to fraction form
    155,630,786.22/214,781,604.93 = 86,014,672.74/x
  3. Step 3: Cross multiply
    155,630,786.22x = 214,781,604.93 × 86,014,672.74
  4. Step 4: Simplify right side
    155,630,786.22x = 18,474,369,458,625,920
  5. Step 5: Solve for x
    x = 18,474,369,458,625,920/155,630,786.22
  6. Step 6: Final answer
    x = 118,706,394.20

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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.