Home / 80,830,200.30-121,245,300.45-48,581,573.10

Finding the Fourth Proportional to 80,830,200.30, 121,245,300.45 and 48,581,573.10

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Solution

The fourth proportional to 80,830,200.30, 121,245,300.45 and 48,581,573.10 is: 72,872,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,830,200.30 : 121,245,300.45 = 48,581,573.10 : x
  2. Step 2: Convert to fraction form
    80,830,200.30/121,245,300.45 = 48,581,573.10/x
  3. Step 3: Cross multiply
    80,830,200.30x = 121,245,300.45 × 48,581,573.10
  4. Step 4: Simplify right side
    80,830,200.30x = 5,890,287,426,843,138
  5. Step 5: Solve for x
    x = 5,890,287,426,843,138/80,830,200.30
  6. Step 6: Final answer
    x = 72,872,359.65

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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.