Home / 54,328,948.60-81,465,429.30-20,232,743.80

Finding the Fourth Proportional to 54,328,948.60, 81,465,429.30 and 20,232,743.80

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Solution

The fourth proportional to 54,328,948.60, 81,465,429.30 and 20,232,743.80 is: 30,338,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,948.60 : 81,465,429.30 = 20,232,743.80 : x
  2. Step 2: Convert to fraction form
    54,328,948.60/81,465,429.30 = 20,232,743.80/x
  3. Step 3: Cross multiply
    54,328,948.60x = 81,465,429.30 × 20,232,743.80
  4. Step 4: Simplify right side
    54,328,948.60x = 1,648,269,159,583,913.25
  5. Step 5: Solve for x
    x = 1,648,269,159,583,913.25/54,328,948.60
  6. Step 6: Final answer
    x = 30,338,690.55

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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.