Home / 79,728,176.20-119,592,264.30-43,353,992.20

Finding the Fourth Proportional to 79,728,176.20, 119,592,264.30 and 43,353,992.20

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Solution

The fourth proportional to 79,728,176.20, 119,592,264.30 and 43,353,992.20 is: 65,030,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,728,176.20 : 119,592,264.30 = 43,353,992.20 : x
  2. Step 2: Convert to fraction form
    79,728,176.20/119,592,264.30 = 43,353,992.20/x
  3. Step 3: Cross multiply
    79,728,176.20x = 119,592,264.30 × 43,353,992.20
  4. Step 4: Simplify right side
    79,728,176.20x = 5,184,802,093,642,539
  5. Step 5: Solve for x
    x = 5,184,802,093,642,539/79,728,176.20
  6. Step 6: Final answer
    x = 65,030,988.30

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Similar ratio
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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.