Home / 45,816,008.40-68,724,012.60-20,243,854.80

Finding the Fourth Proportional to 45,816,008.40, 68,724,012.60 and 20,243,854.80

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Solution

The fourth proportional to 45,816,008.40, 68,724,012.60 and 20,243,854.80 is: 30,365,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816,008.40 : 68,724,012.60 = 20,243,854.80 : x
  2. Step 2: Convert to fraction form
    45,816,008.40/68,724,012.60 = 20,243,854.80/x
  3. Step 3: Cross multiply
    45,816,008.40x = 68,724,012.60 × 20,243,854.80
  4. Step 4: Simplify right side
    45,816,008.40x = 1,391,238,932,347,770.50
  5. Step 5: Solve for x
    x = 1,391,238,932,347,770.50/45,816,008.40
  6. Step 6: Final answer
    x = 30,365,782.20

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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.