Home / 145,545,586.06-200,870,521.48-82,836,931.54

Finding the Fourth Proportional to 145,545,586.06, 200,870,521.48 and 82,836,931.54

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Solution

The fourth proportional to 145,545,586.06, 200,870,521.48 and 82,836,931.54 is: 114,324,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545,586.06 : 200,870,521.48 = 82,836,931.54 : x
  2. Step 2: Convert to fraction form
    145,545,586.06/200,870,521.48 = 82,836,931.54/x
  3. Step 3: Cross multiply
    145,545,586.06x = 200,870,521.48 × 82,836,931.54
  4. Step 4: Simplify right side
    145,545,586.06x = 16,639,497,636,242,860
  5. Step 5: Solve for x
    x = 16,639,497,636,242,860/145,545,586.06
  6. Step 6: Final answer
    x = 114,324,989.76

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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.