Home / 165,113,886.60-247,670,829.90-68,019,615.90

Finding the Fourth Proportional to 165,113,886.60, 247,670,829.90 and 68,019,615.90

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Solution

The fourth proportional to 165,113,886.60, 247,670,829.90 and 68,019,615.90 is: 102,029,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,113,886.60 : 247,670,829.90 = 68,019,615.90 : x
  2. Step 2: Convert to fraction form
    165,113,886.60/247,670,829.90 = 68,019,615.90/x
  3. Step 3: Cross multiply
    165,113,886.60x = 247,670,829.90 × 68,019,615.90
  4. Step 4: Simplify right side
    165,113,886.60x = 16,846,474,719,432,238
  5. Step 5: Solve for x
    x = 16,846,474,719,432,238/165,113,886.60
  6. Step 6: Final answer
    x = 102,029,423.85

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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.