Home / 84,461,464.42-126,646,011.38-67,065,766.22

Finding the Fourth Proportional to 84,461,464.42, 126,646,011.38 and 67,065,766.22

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Solution

The fourth proportional to 84,461,464.42, 126,646,011.38 and 67,065,766.22 is: 100,561,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,461,464.42 : 126,646,011.38 = 67,065,766.22 : x
  2. Step 2: Convert to fraction form
    84,461,464.42/126,646,011.38 = 67,065,766.22/x
  3. Step 3: Cross multiply
    84,461,464.42x = 126,646,011.38 × 67,065,766.22
  4. Step 4: Simplify right side
    84,461,464.42x = 8,493,611,791,906,539
  5. Step 5: Solve for x
    x = 8,493,611,791,906,539/84,461,464.42
  6. Step 6: Final answer
    x = 100,561,976.40

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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.