Home / 80,597,376.80-120,896,065.20-48,348,749.60

Finding the Fourth Proportional to 80,597,376.80, 120,896,065.20 and 48,348,749.60

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Solution

The fourth proportional to 80,597,376.80, 120,896,065.20 and 48,348,749.60 is: 72,523,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,597,376.80 : 120,896,065.20 = 48,348,749.60 : x
  2. Step 2: Convert to fraction form
    80,597,376.80/120,896,065.20 = 48,348,749.60/x
  3. Step 3: Cross multiply
    80,597,376.80x = 120,896,065.20 × 48,348,749.60
  4. Step 4: Simplify right side
    80,597,376.80x = 5,845,173,583,980,074
  5. Step 5: Solve for x
    x = 5,845,173,583,980,074/80,597,376.80
  6. Step 6: Final answer
    x = 72,523,124.40

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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.