Home / 145,681,990.80-218,522,986.20-37,976,614.80

Finding the Fourth Proportional to 145,681,990.80, 218,522,986.20 and 37,976,614.80

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Solution

The fourth proportional to 145,681,990.80, 218,522,986.20 and 37,976,614.80 is: 56,964,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,681,990.80 : 218,522,986.20 = 37,976,614.80 : x
  2. Step 2: Convert to fraction form
    145,681,990.80/218,522,986.20 = 37,976,614.80/x
  3. Step 3: Cross multiply
    145,681,990.80x = 218,522,986.20 × 37,976,614.80
  4. Step 4: Simplify right side
    145,681,990.80x = 8,298,763,271,863,115
  5. Step 5: Solve for x
    x = 8,298,763,271,863,115/145,681,990.80
  6. Step 6: Final answer
    x = 56,964,922.20

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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.