Home / 48,143,831.80-66,421,052.31-31,632,849.04

Finding the Fourth Proportional to 48,143,831.80, 66,421,052.31 and 31,632,849.04

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Solution

The fourth proportional to 48,143,831.80, 66,421,052.31 and 31,632,849.04 is: 43,641,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143,831.80 : 66,421,052.31 = 31,632,849.04 : x
  2. Step 2: Convert to fraction form
    48,143,831.80/66,421,052.31 = 31,632,849.04/x
  3. Step 3: Cross multiply
    48,143,831.80x = 66,421,052.31 × 31,632,849.04
  4. Step 4: Simplify right side
    48,143,831.80x = 2,101,087,120,800,173.25
  5. Step 5: Solve for x
    x = 2,101,087,120,800,173.25/48,143,831.80
  6. Step 6: Final answer
    x = 43,641,875.65

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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.