Home / 42,878,831.15-64,149,880.09-33,089,484.92

Finding the Fourth Proportional to 42,878,831.15, 64,149,880.09 and 33,089,484.92

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Solution

The fourth proportional to 42,878,831.15, 64,149,880.09 and 33,089,484.92 is: 49,504,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878,831.15 : 64,149,880.09 = 33,089,484.92 : x
  2. Step 2: Convert to fraction form
    42,878,831.15/64,149,880.09 = 33,089,484.92/x
  3. Step 3: Cross multiply
    42,878,831.15x = 64,149,880.09 × 33,089,484.92
  4. Step 4: Simplify right side
    42,878,831.15x = 2,122,686,489,857,863.50
  5. Step 5: Solve for x
    x = 2,122,686,489,857,863.50/42,878,831.15
  6. Step 6: Final answer
    x = 49,504,299.28

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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.