Home / 254,205,497.80-381,308,246.70-72,429,056.20

Finding the Fourth Proportional to 254,205,497.80, 381,308,246.70 and 72,429,056.20

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Solution

The fourth proportional to 254,205,497.80, 381,308,246.70 and 72,429,056.20 is: 108,643,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,205,497.80 : 381,308,246.70 = 72,429,056.20 : x
  2. Step 2: Convert to fraction form
    254,205,497.80/381,308,246.70 = 72,429,056.20/x
  3. Step 3: Cross multiply
    254,205,497.80x = 381,308,246.70 × 72,429,056.20
  4. Step 4: Simplify right side
    254,205,497.80x = 27,617,796,429,757,764
  5. Step 5: Solve for x
    x = 27,617,796,429,757,764/254,205,497.80
  6. Step 6: Final answer
    x = 108,643,584.30

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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.