Home / 165,198,836,318.40-247,798,240,811.28-45,816,159,301.92

Finding the Fourth Proportional to 165,198,836,318.40, 247,798,240,811.28 and 45,816,159,301.92

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Solution

The fourth proportional to 165,198,836,318.40, 247,798,240,811.28 and 45,816,159,301.92 is: 68,724,235,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,198,836,318.40 : 247,798,240,811.28 = 45,816,159,301.92 : x
  2. Step 2: Convert to fraction form
    165,198,836,318.40/247,798,240,811.28 = 45,816,159,301.92/x
  3. Step 3: Cross multiply
    165,198,836,318.40x = 247,798,240,811.28 × 45,816,159,301.92
  4. Step 4: Simplify right side
    165,198,836,318.40x = 11,353,163,675,745,136,934,912
  5. Step 5: Solve for x
    x = 11,353,163,675,745,136,934,912/165,198,836,318.40
  6. Step 6: Final answer
    x = 68,724,235,162.67

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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.