Home / 242,530,406.40-364,023,932.40-127,597,432.80

Finding the Fourth Proportional to 242,530,406.40, 364,023,932.40 and 127,597,432.80

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Solution

The fourth proportional to 242,530,406.40, 364,023,932.40 and 127,597,432.80 is: 191,516,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,530,406.40 : 364,023,932.40 = 127,597,432.80 : x
  2. Step 2: Convert to fraction form
    242,530,406.40/364,023,932.40 = 127,597,432.80/x
  3. Step 3: Cross multiply
    242,530,406.40x = 364,023,932.40 × 127,597,432.80
  4. Step 4: Simplify right side
    242,530,406.40x = 46,448,519,252,000,736
  5. Step 5: Solve for x
    x = 46,448,519,252,000,736/242,530,406.40
  6. Step 6: Final answer
    x = 191,516,271.88

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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.