Home / 131,119,409,673.18-196,369,296,806.93-64,012,611,476.70

Finding the Fourth Proportional to 131,119,409,673.18, 196,369,296,806.93 and 64,012,611,476.70

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Solution

The fourth proportional to 131,119,409,673.18, 196,369,296,806.93 and 64,012,611,476.70 is: 95,867,663,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,119,409,673.18 : 196,369,296,806.93 = 64,012,611,476.70 : x
  2. Step 2: Convert to fraction form
    131,119,409,673.18/196,369,296,806.93 = 64,012,611,476.70/x
  3. Step 3: Cross multiply
    131,119,409,673.18x = 196,369,296,806.93 × 64,012,611,476.70
  4. Step 4: Simplify right side
    131,119,409,673.18x = 12,570,111,502,454,794,223,616
  5. Step 5: Solve for x
    x = 12,570,111,502,454,794,223,616/131,119,409,673.18
  6. Step 6: Final answer
    x = 95,867,663,939.20

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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.