Home / 53,423,831.40-80,135,747.10-47,684,268.60

Finding the Fourth Proportional to 53,423,831.40, 80,135,747.10 and 47,684,268.60

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Solution

The fourth proportional to 53,423,831.40, 80,135,747.10 and 47,684,268.60 is: 71,526,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423,831.40 : 80,135,747.10 = 47,684,268.60 : x
  2. Step 2: Convert to fraction form
    53,423,831.40/80,135,747.10 = 47,684,268.60/x
  3. Step 3: Cross multiply
    53,423,831.40x = 80,135,747.10 × 47,684,268.60
  4. Step 4: Simplify right side
    53,423,831.40x = 3,821,214,489,178,071
  5. Step 5: Solve for x
    x = 3,821,214,489,178,071/53,423,831.40
  6. Step 6: Final answer
    x = 71,526,402.90

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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.