Home / 73,872,005.20-110,808,007.80-43,261,003.60

Finding the Fourth Proportional to 73,872,005.20, 110,808,007.80 and 43,261,003.60

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Solution

The fourth proportional to 73,872,005.20, 110,808,007.80 and 43,261,003.60 is: 64,891,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,005.20 : 110,808,007.80 = 43,261,003.60 : x
  2. Step 2: Convert to fraction form
    73,872,005.20/110,808,007.80 = 43,261,003.60/x
  3. Step 3: Cross multiply
    73,872,005.20x = 110,808,007.80 × 43,261,003.60
  4. Step 4: Simplify right side
    73,872,005.20x = 4,793,665,624,344,628
  5. Step 5: Solve for x
    x = 4,793,665,624,344,628/73,872,005.20
  6. Step 6: Final answer
    x = 64,891,505.40

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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.