Home / 139,977,917,444.88-193,148,746,153.20-85,016,489,586.48

Finding the Fourth Proportional to 139,977,917,444.88, 193,148,746,153.20 and 85,016,489,586.48

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Solution

The fourth proportional to 139,977,917,444.88, 193,148,746,153.20 and 85,016,489,586.48 is: 117,310,134,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,977,917,444.88 : 193,148,746,153.20 = 85,016,489,586.48 : x
  2. Step 2: Convert to fraction form
    139,977,917,444.88/193,148,746,153.20 = 85,016,489,586.48/x
  3. Step 3: Cross multiply
    139,977,917,444.88x = 193,148,746,153.20 × 85,016,489,586.48
  4. Step 4: Simplify right side
    139,977,917,444.88x = 16,420,828,365,975,197,843,456
  5. Step 5: Solve for x
    x = 16,420,828,365,975,197,843,456/139,977,917,444.88
  6. Step 6: Final answer
    x = 117,310,134,810.67

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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.