Home / 218,277,539.20-327,461,798.40-72,756,308.80

Finding the Fourth Proportional to 218,277,539.20, 327,461,798.40 and 72,756,308.80

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Solution

The fourth proportional to 218,277,539.20, 327,461,798.40 and 72,756,308.80 is: 109,149,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,277,539.20 : 327,461,798.40 = 72,756,308.80 : x
  2. Step 2: Convert to fraction form
    218,277,539.20/327,461,798.40 = 72,756,308.80/x
  3. Step 3: Cross multiply
    218,277,539.20x = 327,461,798.40 × 72,756,308.80
  4. Step 4: Simplify right side
    218,277,539.20x = 23,824,911,724,593,744
  5. Step 5: Solve for x
    x = 23,824,911,724,593,744/218,277,539.20
  6. Step 6: Final answer
    x = 109,149,625.80

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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.