Home / 82,442,831.12-123,688,181.06-33,233,288.80

Finding the Fourth Proportional to 82,442,831.12, 123,688,181.06 and 33,233,288.80

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Solution

The fourth proportional to 82,442,831.12, 123,688,181.06 and 33,233,288.80 is: 49,859,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,442,831.12 : 123,688,181.06 = 33,233,288.80 : x
  2. Step 2: Convert to fraction form
    82,442,831.12/123,688,181.06 = 33,233,288.80/x
  3. Step 3: Cross multiply
    82,442,831.12x = 123,688,181.06 × 33,233,288.80
  4. Step 4: Simplify right side
    82,442,831.12x = 4,110,565,042,313,670.50
  5. Step 5: Solve for x
    x = 4,110,565,042,313,670.50/82,442,831.12
  6. Step 6: Final answer
    x = 49,859,581.32

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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.