Home / 131,119,409,677.18-196,369,296,812.92-64,012,611,480.70

Finding the Fourth Proportional to 131,119,409,677.18, 196,369,296,812.92 and 64,012,611,480.70

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Solution

The fourth proportional to 131,119,409,677.18, 196,369,296,812.92 and 64,012,611,480.70 is: 95,867,663,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,119,409,677.18 : 196,369,296,812.92 = 64,012,611,480.70 : x
  2. Step 2: Convert to fraction form
    131,119,409,677.18/196,369,296,812.92 = 64,012,611,480.70/x
  3. Step 3: Cross multiply
    131,119,409,677.18x = 196,369,296,812.92 × 64,012,611,480.70
  4. Step 4: Simplify right side
    131,119,409,677.18x = 12,570,111,503,623,708,999,680
  5. Step 5: Solve for x
    x = 12,570,111,503,623,708,999,680/131,119,409,677.18
  6. Step 6: Final answer
    x = 95,867,663,945.19

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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.