Home / 80,224,623.80-120,301,894.08-28,392,000.06

Finding the Fourth Proportional to 80,224,623.80, 120,301,894.08 and 28,392,000.06

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Solution

The fourth proportional to 80,224,623.80, 120,301,894.08 and 28,392,000.06 is: 42,575,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,623.80 : 120,301,894.08 = 28,392,000.06 : x
  2. Step 2: Convert to fraction form
    80,224,623.80/120,301,894.08 = 28,392,000.06/x
  3. Step 3: Cross multiply
    80,224,623.80x = 120,301,894.08 × 28,392,000.06
  4. Step 4: Simplify right side
    80,224,623.80x = 3,415,611,383,937,473.50
  5. Step 5: Solve for x
    x = 3,415,611,383,937,473.50/80,224,623.80
  6. Step 6: Final answer
    x = 42,575,598.64

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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.