Home / 243,321,928.32-364,987,559.04-79,560,301.44

Finding the Fourth Proportional to 243,321,928.32, 364,987,559.04 and 79,560,301.44

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Solution

The fourth proportional to 243,321,928.32, 364,987,559.04 and 79,560,301.44 is: 119,341,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,321,928.32 : 364,987,559.04 = 79,560,301.44 : x
  2. Step 2: Convert to fraction form
    243,321,928.32/364,987,559.04 = 79,560,301.44/x
  3. Step 3: Cross multiply
    243,321,928.32x = 364,987,559.04 × 79,560,301.44
  4. Step 4: Simplify right side
    243,321,928.32x = 29,038,520,219,072,196
  5. Step 5: Solve for x
    x = 29,038,520,219,072,196/243,321,928.32
  6. Step 6: Final answer
    x = 119,341,978.01

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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.