Home / 218,277,529.20-327,461,783.40-72,756,298.80

Finding the Fourth Proportional to 218,277,529.20, 327,461,783.40 and 72,756,298.80

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Solution

The fourth proportional to 218,277,529.20, 327,461,783.40 and 72,756,298.80 is: 109,149,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,277,529.20 : 327,461,783.40 = 72,756,298.80 : x
  2. Step 2: Convert to fraction form
    218,277,529.20/327,461,783.40 = 72,756,298.80/x
  3. Step 3: Cross multiply
    218,277,529.20x = 327,461,783.40 × 72,756,298.80
  4. Step 4: Simplify right side
    218,277,529.20x = 23,824,907,358,631,276
  5. Step 5: Solve for x
    x = 23,824,907,358,631,276/218,277,529.20
  6. Step 6: Final answer
    x = 109,149,610.80

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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.