Home / 73,872,361.20-110,808,541.80-43,261,359.60

Finding the Fourth Proportional to 73,872,361.20, 110,808,541.80 and 43,261,359.60

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Solution

The fourth proportional to 73,872,361.20, 110,808,541.80 and 43,261,359.60 is: 64,892,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,361.20 : 110,808,541.80 = 43,261,359.60 : x
  2. Step 2: Convert to fraction form
    73,872,361.20/110,808,541.80 = 43,261,359.60/x
  3. Step 3: Cross multiply
    73,872,361.20x = 110,808,541.80 × 43,261,359.60
  4. Step 4: Simplify right side
    73,872,361.20x = 4,793,728,173,561,431
  5. Step 5: Solve for x
    x = 4,793,728,173,561,431/73,872,361.20
  6. Step 6: Final answer
    x = 64,892,039.40

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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.