Home / 48,551,690.80-72,827,536.20-19,782,143.20

Finding the Fourth Proportional to 48,551,690.80, 72,827,536.20 and 19,782,143.20

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Solution

The fourth proportional to 48,551,690.80, 72,827,536.20 and 19,782,143.20 is: 29,673,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,551,690.80 : 72,827,536.20 = 19,782,143.20 : x
  2. Step 2: Convert to fraction form
    48,551,690.80/72,827,536.20 = 19,782,143.20/x
  3. Step 3: Cross multiply
    48,551,690.80x = 72,827,536.20 × 19,782,143.20
  4. Step 4: Simplify right side
    48,551,690.80x = 1,440,684,750,011,583.75
  5. Step 5: Solve for x
    x = 1,440,684,750,011,583.75/48,551,690.80
  6. Step 6: Final answer
    x = 29,673,214.80

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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.