Home / 239,045,962,107.48-358,631,834,664.18-85,906,323,124.68

Finding the Fourth Proportional to 239,045,962,107.48, 358,631,834,664.18 and 85,906,323,124.68

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Solution

The fourth proportional to 239,045,962,107.48, 358,631,834,664.18 and 85,906,323,124.68 is: 128,882,086,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,045,962,107.48 : 358,631,834,664.18 = 85,906,323,124.68 : x
  2. Step 2: Convert to fraction form
    239,045,962,107.48/358,631,834,664.18 = 85,906,323,124.68/x
  3. Step 3: Cross multiply
    239,045,962,107.48x = 358,631,834,664.18 × 85,906,323,124.68
  4. Step 4: Simplify right side
    239,045,962,107.48x = 30,808,742,271,457,859,469,312
  5. Step 5: Solve for x
    x = 30,808,742,271,457,859,469,312/239,045,962,107.48
  6. Step 6: Final answer
    x = 128,882,086,105.29

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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.