Home / 372,166,219.80-558,249,198.30-99,529,900.92

Finding the Fourth Proportional to 372,166,219.80, 558,249,198.30 and 99,529,900.92

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Solution

The fourth proportional to 372,166,219.80, 558,249,198.30 and 99,529,900.92 is: 149,294,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,166,219.80 : 558,249,198.30 = 99,529,900.92 : x
  2. Step 2: Convert to fraction form
    372,166,219.80/558,249,198.30 = 99,529,900.92/x
  3. Step 3: Cross multiply
    372,166,219.80x = 558,249,198.30 × 99,529,900.92
  4. Step 4: Simplify right side
    372,166,219.80x = 55,562,487,395,468,432
  5. Step 5: Solve for x
    x = 55,562,487,395,468,432/372,166,219.80
  6. Step 6: Final answer
    x = 149,294,816.24

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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.