Home / 48,388,300.80-72,582,451.20-42,719,596.80

Finding the Fourth Proportional to 48,388,300.80, 72,582,451.20 and 42,719,596.80

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Solution

The fourth proportional to 48,388,300.80, 72,582,451.20 and 42,719,596.80 is: 64,079,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,300.80 : 72,582,451.20 = 42,719,596.80 : x
  2. Step 2: Convert to fraction form
    48,388,300.80/72,582,451.20 = 42,719,596.80/x
  3. Step 3: Cross multiply
    48,388,300.80x = 72,582,451.20 × 42,719,596.80
  4. Step 4: Simplify right side
    48,388,300.80x = 3,100,693,050,019,676
  5. Step 5: Solve for x
    x = 3,100,693,050,019,676/48,388,300.80
  6. Step 6: Final answer
    x = 64,079,395.20

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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.