Home / 48,049,831.53-72,100,985.64-20,379,444.93

Finding the Fourth Proportional to 48,049,831.53, 72,100,985.64 and 20,379,444.93

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Solution

The fourth proportional to 48,049,831.53, 72,100,985.64 and 20,379,444.93 is: 30,580,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049,831.53 : 72,100,985.64 = 20,379,444.93 : x
  2. Step 2: Convert to fraction form
    48,049,831.53/72,100,985.64 = 20,379,444.93/x
  3. Step 3: Cross multiply
    48,049,831.53x = 72,100,985.64 × 20,379,444.93
  4. Step 4: Simplify right side
    48,049,831.53x = 1,469,378,066,249,100.75
  5. Step 5: Solve for x
    x = 1,469,378,066,249,100.75/48,049,831.53
  6. Step 6: Final answer
    x = 30,580,295.90

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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.