Home / 254,205,501.30-381,308,251.95-72,429,059.70

Finding the Fourth Proportional to 254,205,501.30, 381,308,251.95 and 72,429,059.70

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Solution

The fourth proportional to 254,205,501.30, 381,308,251.95 and 72,429,059.70 is: 108,643,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,205,501.30 : 381,308,251.95 = 72,429,059.70 : x
  2. Step 2: Convert to fraction form
    254,205,501.30/381,308,251.95 = 72,429,059.70/x
  3. Step 3: Cross multiply
    254,205,501.30x = 381,308,251.95 × 72,429,059.70
  4. Step 4: Simplify right side
    254,205,501.30x = 27,617,798,144,589,192
  5. Step 5: Solve for x
    x = 27,617,798,144,589,192/254,205,501.30
  6. Step 6: Final answer
    x = 108,643,589.55

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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.